Home / 87,882,805.60-131,730,896.40-42,414,978.40

Finding the Fourth Proportional to 87,882,805.60, 131,730,896.40 and 42,414,978.40

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Solution

The fourth proportional to 87,882,805.60, 131,730,896.40 and 42,414,978.40 is: 63,577,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882,805.60 : 131,730,896.40 = 42,414,978.40 : x
  2. Step 2: Convert to fraction form
    87,882,805.60/131,730,896.40 = 42,414,978.40/x
  3. Step 3: Cross multiply
    87,882,805.60x = 131,730,896.40 × 42,414,978.40
  4. Step 4: Simplify right side
    87,882,805.60x = 5,587,363,125,418,638
  5. Step 5: Solve for x
    x = 5,587,363,125,418,638/87,882,805.60
  6. Step 6: Final answer
    x = 63,577,432.32

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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.