Finding the Fourth Proportional to 142,720,142,801.15, 214,174,528,374.51 and 67,194,892,240.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,720,142,801.15 : 214,174,528,374.51 = 67,194,892,240.82 : x
2. Step 2: Convert to fraction form
   142,720,142,801.15/214,174,528,374.51 = 67,194,892,240.82/x
3. Step 3: Cross multiply
   142,720,142,801.15x = 214,174,528,374.51 × 67,194,892,240.82
4. Step 4: Simplify right side
   142,720,142,801.15x = 14,391,434,354,853,645,647,872
5. Step 5: Solve for x
   x = 14,391,434,354,853,645,647,872/142,720,142,801.15
6. Step 6: Final answer
   x = 100,836,742,960.00