Home / 84,217,780.98-126,338,721.96-25,930,390.70

Finding the Fourth Proportional to 84,217,780.98, 126,338,721.96 and 25,930,390.70

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Solution

The fourth proportional to 84,217,780.98, 126,338,721.96 and 25,930,390.70 is: 38,899,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,780.98 : 126,338,721.96 = 25,930,390.70 : x
  2. Step 2: Convert to fraction form
    84,217,780.98/126,338,721.96 = 25,930,390.70/x
  3. Step 3: Cross multiply
    84,217,780.98x = 126,338,721.96 × 25,930,390.70
  4. Step 4: Simplify right side
    84,217,780.98x = 3,276,012,420,961,469.50
  5. Step 5: Solve for x
    x = 3,276,012,420,961,469.50/84,217,780.98
  6. Step 6: Final answer
    x = 38,899,296.36

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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.