Home / 87,363,206.20-131,044,809.30-86,229,465.40

Finding the Fourth Proportional to 87,363,206.20, 131,044,809.30 and 86,229,465.40

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Solution

The fourth proportional to 87,363,206.20, 131,044,809.30 and 86,229,465.40 is: 129,344,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363,206.20 : 131,044,809.30 = 86,229,465.40 : x
  2. Step 2: Convert to fraction form
    87,363,206.20/131,044,809.30 = 86,229,465.40/x
  3. Step 3: Cross multiply
    87,363,206.20x = 131,044,809.30 × 86,229,465.40
  4. Step 4: Simplify right side
    87,363,206.20x = 11,299,923,849,383,948
  5. Step 5: Solve for x
    x = 11,299,923,849,383,948/87,363,206.20
  6. Step 6: Final answer
    x = 129,344,198.10

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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.