Home / 87,940,112.10-131,910,168.15-73,831,337.70

Finding the Fourth Proportional to 87,940,112.10, 131,910,168.15 and 73,831,337.70

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Solution

The fourth proportional to 87,940,112.10, 131,910,168.15 and 73,831,337.70 is: 110,747,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940,112.10 : 131,910,168.15 = 73,831,337.70 : x
  2. Step 2: Convert to fraction form
    87,940,112.10/131,910,168.15 = 73,831,337.70/x
  3. Step 3: Cross multiply
    87,940,112.10x = 131,910,168.15 × 73,831,337.70
  4. Step 4: Simplify right side
    87,940,112.10x = 9,739,104,170,746,436
  5. Step 5: Solve for x
    x = 9,739,104,170,746,436/87,940,112.10
  6. Step 6: Final answer
    x = 110,747,006.55

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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.