Finding the Fourth Proportional to 131,139,081.60, 183,863,452.80 and 131,139,081.60

Step by Step Solution

1. Step 1: Write the proportion equation
   131,139,081.60 : 183,863,452.80 = 131,139,081.60 : x
2. Step 2: Convert to fraction form
   131,139,081.60/183,863,452.80 = 131,139,081.60/x
3. Step 3: Cross multiply
   131,139,081.60x = 183,863,452.80 × 131,139,081.60
4. Step 4: Simplify right side
   131,139,081.60x = 24,111,684,339,996,948
5. Step 5: Solve for x
   x = 24,111,684,339,996,948/131,139,081.60
6. Step 6: Final answer
   x = 183,863,452.80