Home / 80,852,006.10-121,278,009.15-32,305,854.90

Finding the Fourth Proportional to 80,852,006.10, 121,278,009.15 and 32,305,854.90

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Solution

The fourth proportional to 80,852,006.10, 121,278,009.15 and 32,305,854.90 is: 48,458,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,006.10 : 121,278,009.15 = 32,305,854.90 : x
  2. Step 2: Convert to fraction form
    80,852,006.10/121,278,009.15 = 32,305,854.90/x
  3. Step 3: Cross multiply
    80,852,006.10x = 121,278,009.15 × 32,305,854.90
  4. Step 4: Simplify right side
    80,852,006.10x = 3,917,989,766,160,772.50
  5. Step 5: Solve for x
    x = 3,917,989,766,160,772.50/80,852,006.10
  6. Step 6: Final answer
    x = 48,458,782.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.