Home / 87,687,450.80-131,419,201.80-67,392,090.80

Finding the Fourth Proportional to 87,687,450.80, 131,419,201.80 and 67,392,090.80

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Solution

The fourth proportional to 87,687,450.80, 131,419,201.80 and 67,392,090.80 is: 101,002,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,687,450.80 : 131,419,201.80 = 67,392,090.80 : x
  2. Step 2: Convert to fraction form
    87,687,450.80/131,419,201.80 = 67,392,090.80/x
  3. Step 3: Cross multiply
    87,687,450.80x = 131,419,201.80 × 67,392,090.80
  4. Step 4: Simplify right side
    87,687,450.80x = 8,856,614,780,569,123
  5. Step 5: Solve for x
    x = 8,856,614,780,569,123/87,687,450.80
  6. Step 6: Final answer
    x = 101,002,078.40

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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.