Home / 84,217,769.96-126,338,705.47-25,930,379.71

Finding the Fourth Proportional to 84,217,769.96, 126,338,705.47 and 25,930,379.71

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Solution

The fourth proportional to 84,217,769.96, 126,338,705.47 and 25,930,379.71 is: 38,899,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,769.96 : 126,338,705.47 = 25,930,379.71 : x
  2. Step 2: Convert to fraction form
    84,217,769.96/126,338,705.47 = 25,930,379.71/x
  3. Step 3: Cross multiply
    84,217,769.96x = 126,338,705.47 × 25,930,379.71
  4. Step 4: Simplify right side
    84,217,769.96x = 3,276,010,605,097,290.50
  5. Step 5: Solve for x
    x = 3,276,010,605,097,290.50/84,217,769.96
  6. Step 6: Final answer
    x = 38,899,279.89

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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.