Finding the Fourth Proportional to 83,906,801,613.42, 115,812,930,349.94 and 54,649,120,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,906,801,613.42 : 115,812,930,349.94 = 54,649,120,111.50 : x
2. Step 2: Convert to fraction form
   83,906,801,613.42/115,812,930,349.94 = 54,649,120,111.50/x
3. Step 3: Cross multiply
   83,906,801,613.42x = 115,812,930,349.94 × 54,649,120,111.50
4. Step 4: Simplify right side
   83,906,801,613.42x = 6,329,074,741,158,655,033,344
5. Step 5: Solve for x
   x = 6,329,074,741,158,655,033,344/83,906,801,613.42
6. Step 6: Final answer
   x = 75,429,817,600.70