Finding the Fourth Proportional to 128,231,438,469.30, 179,157,096,143.10 and 128,231,438,469.30

Step by Step Solution

1. Step 1: Write the proportion equation
   128,231,438,469.30 : 179,157,096,143.10 = 128,231,438,469.30 : x
2. Step 2: Convert to fraction form
   128,231,438,469.30/179,157,096,143.10 = 128,231,438,469.30/x
3. Step 3: Cross multiply
   128,231,438,469.30x = 179,157,096,143.10 × 128,231,438,469.30
4. Step 4: Simplify right side
   128,231,438,469.30x = 22,973,572,150,412,395,413,504
5. Step 5: Solve for x
   x = 22,973,572,150,412,395,413,504/128,231,438,469.30
6. Step 6: Final answer
   x = 179,157,096,143.10