Home / 87,461,423.40-131,192,135.10-82,758,498.60

Finding the Fourth Proportional to 87,461,423.40, 131,192,135.10 and 82,758,498.60

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Solution

The fourth proportional to 87,461,423.40, 131,192,135.10 and 82,758,498.60 is: 124,137,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,461,423.40 : 131,192,135.10 = 82,758,498.60 : x
  2. Step 2: Convert to fraction form
    87,461,423.40/131,192,135.10 = 82,758,498.60/x
  3. Step 3: Cross multiply
    87,461,423.40x = 131,192,135.10 × 82,758,498.60
  4. Step 4: Simplify right side
    87,461,423.40x = 10,857,264,129,004,360
  5. Step 5: Solve for x
    x = 10,857,264,129,004,360/87,461,423.40
  6. Step 6: Final answer
    x = 124,137,747.90

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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.