Finding the Fourth Proportional to 151,640,994,030.13, 209,271,149,838.61 and 83,975,584,248.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,640,994,030.13 : 209,271,149,838.61 = 83,975,584,248.15 : x
2. Step 2: Convert to fraction form
   151,640,994,030.13/209,271,149,838.61 = 83,975,584,248.15/x
3. Step 3: Cross multiply
   151,640,994,030.13x = 209,271,149,838.61 × 83,975,584,248.15
4. Step 4: Simplify right side
   151,640,994,030.13x = 17,573,667,073,979,414,740,992
5. Step 5: Solve for x
   x = 17,573,667,073,979,414,740,992/151,640,994,030.13
6. Step 6: Final answer
   x = 115,889,949,062.77