Home / 87,480,132.10-131,220,198.15-86,976,247.30

Finding the Fourth Proportional to 87,480,132.10, 131,220,198.15 and 86,976,247.30

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Solution

The fourth proportional to 87,480,132.10, 131,220,198.15 and 86,976,247.30 is: 130,464,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,132.10 : 131,220,198.15 = 86,976,247.30 : x
  2. Step 2: Convert to fraction form
    87,480,132.10/131,220,198.15 = 86,976,247.30/x
  3. Step 3: Cross multiply
    87,480,132.10x = 131,220,198.15 × 86,976,247.30
  4. Step 4: Simplify right side
    87,480,132.10x = 11,413,040,405,049,402
  5. Step 5: Solve for x
    x = 11,413,040,405,049,402/87,480,132.10
  6. Step 6: Final answer
    x = 130,464,370.95

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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.