Home / 87,431,570.10-131,147,355.15-26,850,309.30

Finding the Fourth Proportional to 87,431,570.10, 131,147,355.15 and 26,850,309.30

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Solution

The fourth proportional to 87,431,570.10, 131,147,355.15 and 26,850,309.30 is: 40,275,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431,570.10 : 131,147,355.15 = 26,850,309.30 : x
  2. Step 2: Convert to fraction form
    87,431,570.10/131,147,355.15 = 26,850,309.30/x
  3. Step 3: Cross multiply
    87,431,570.10x = 131,147,355.15 × 26,850,309.30
  4. Step 4: Simplify right side
    87,431,570.10x = 3,521,347,049,654,448
  5. Step 5: Solve for x
    x = 3,521,347,049,654,448/87,431,570.10
  6. Step 6: Final answer
    x = 40,275,463.95

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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.