Step 1:
The first step to converting 72160646.400204 to a fraction is to re-write 72160646.400204 in the form p/q where p and q are both positive integers. To start with, 72160646.400204 can be written as simply 72160646.400204/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 72160646.400204, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 72160646.400204/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 72160646.400204/1 each by 1000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 72160646.400204 as a fraction:
72160646/1 / 1