Home / 442,674,780.60-664,111,703.70-135,981,046.20

Finding the Fourth Proportional to 442,674,780.60, 664,111,703.70 and 135,981,046.20

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Solution

The fourth proportional to 442,674,780.60, 664,111,703.70 and 135,981,046.20 is: 204,002,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,674,780.60 : 664,111,703.70 = 135,981,046.20 : x
  2. Step 2: Convert to fraction form
    442,674,780.60/664,111,703.70 = 135,981,046.20/x
  3. Step 3: Cross multiply
    442,674,780.60x = 664,111,703.70 × 135,981,046.20
  4. Step 4: Simplify right side
    442,674,780.60x = 90,306,604,262,790,416
  5. Step 5: Solve for x
    x = 90,306,604,262,790,416/442,674,780.60
  6. Step 6: Final answer
    x = 204,002,143.83

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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.