Home / 87,984,519.38-131,985,767.79-30,476,683.70

Finding the Fourth Proportional to 87,984,519.38, 131,985,767.79 and 30,476,683.70

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Solution

The fourth proportional to 87,984,519.38, 131,985,767.79 and 30,476,683.70 is: 45,718,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,984,519.38 : 131,985,767.79 = 30,476,683.70 : x
  2. Step 2: Convert to fraction form
    87,984,519.38/131,985,767.79 = 30,476,683.70/x
  3. Step 3: Cross multiply
    87,984,519.38x = 131,985,767.79 × 30,476,683.70
  4. Step 4: Simplify right side
    87,984,519.38x = 4,022,488,497,837,478
  5. Step 5: Solve for x
    x = 4,022,488,497,837,478/87,984,519.38
  6. Step 6: Final answer
    x = 45,718,139.12

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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.