Home / 87,841,930.40-131,814,658.80-36,720,010.40

Finding the Fourth Proportional to 87,841,930.40, 131,814,658.80 and 36,720,010.40

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Solution

The fourth proportional to 87,841,930.40, 131,814,658.80 and 36,720,010.40 is: 55,101,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,841,930.40 : 131,814,658.80 = 36,720,010.40 : x
  2. Step 2: Convert to fraction form
    87,841,930.40/131,814,658.80 = 36,720,010.40/x
  3. Step 3: Cross multiply
    87,841,930.40x = 131,814,658.80 × 36,720,010.40
  4. Step 4: Simplify right side
    87,841,930.40x = 4,840,235,642,008,451
  5. Step 5: Solve for x
    x = 4,840,235,642,008,451/87,841,930.40
  6. Step 6: Final answer
    x = 55,101,653.85

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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.