Home / 87,969,506.85-131,973,878.68-28,884,519.77

Finding the Fourth Proportional to 87,969,506.85, 131,973,878.68 and 28,884,519.77

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Solution

The fourth proportional to 87,969,506.85, 131,973,878.68 and 28,884,519.77 is: 43,333,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,969,506.85 : 131,973,878.68 = 28,884,519.77 : x
  2. Step 2: Convert to fraction form
    87,969,506.85/131,973,878.68 = 28,884,519.77/x
  3. Step 3: Cross multiply
    87,969,506.85x = 131,973,878.68 × 28,884,519.77
  4. Step 4: Simplify right side
    87,969,506.85x = 3,812,002,107,123,960.50
  5. Step 5: Solve for x
    x = 3,812,002,107,123,960.50/87,969,506.85
  6. Step 6: Final answer
    x = 43,333,221.29

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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.