Home / 87,979,245.30-132,031,853.55-49,600,019.70

Finding the Fourth Proportional to 87,979,245.30, 132,031,853.55 and 49,600,019.70

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Solution

The fourth proportional to 87,979,245.30, 132,031,853.55 and 49,600,019.70 is: 74,435,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,979,245.30 : 132,031,853.55 = 49,600,019.70 : x
  2. Step 2: Convert to fraction form
    87,979,245.30/132,031,853.55 = 49,600,019.70/x
  3. Step 3: Cross multiply
    87,979,245.30x = 132,031,853.55 × 49,600,019.70
  4. Step 4: Simplify right side
    87,979,245.30x = 6,548,782,537,107,515
  5. Step 5: Solve for x
    x = 6,548,782,537,107,515/87,979,245.30
  6. Step 6: Final answer
    x = 74,435,538.91

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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.