Home / 87,377,353.56-120,583,644.09-47,687,057.61

Finding the Fourth Proportional to 87,377,353.56, 120,583,644.09 and 47,687,057.61

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Solution

The fourth proportional to 87,377,353.56, 120,583,644.09 and 47,687,057.61 is: 65,809,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377,353.56 : 120,583,644.09 = 47,687,057.61 : x
  2. Step 2: Convert to fraction form
    87,377,353.56/120,583,644.09 = 47,687,057.61/x
  3. Step 3: Cross multiply
    87,377,353.56x = 120,583,644.09 × 47,687,057.61
  4. Step 4: Simplify right side
    87,377,353.56x = 5,750,279,182,543,566
  5. Step 5: Solve for x
    x = 5,750,279,182,543,566/87,377,353.56
  6. Step 6: Final answer
    x = 65,809,720.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.