Home / 87,989,695.92-131,976,790.83-39,454,523.46

Finding the Fourth Proportional to 87,989,695.92, 131,976,790.83 and 39,454,523.46

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Solution

The fourth proportional to 87,989,695.92, 131,976,790.83 and 39,454,523.46 is: 59,178,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,989,695.92 : 131,976,790.83 = 39,454,523.46 : x
  2. Step 2: Convert to fraction form
    87,989,695.92/131,976,790.83 = 39,454,523.46/x
  3. Step 3: Cross multiply
    87,989,695.92x = 131,976,790.83 × 39,454,523.46
  4. Step 4: Simplify right side
    87,989,695.92x = 5,207,081,389,977,748
  5. Step 5: Solve for x
    x = 5,207,081,389,977,748/87,989,695.92
  6. Step 6: Final answer
    x = 59,178,308.73

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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.