Home / 218,222,616.82-327,377,046.38-80,049,506.86

Finding the Fourth Proportional to 218,222,616.82, 327,377,046.38 and 80,049,506.86

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Solution

The fourth proportional to 218,222,616.82, 327,377,046.38 and 80,049,506.86 is: 120,090,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,222,616.82 : 327,377,046.38 = 80,049,506.86 : x
  2. Step 2: Convert to fraction form
    218,222,616.82/327,377,046.38 = 80,049,506.86/x
  3. Step 3: Cross multiply
    218,222,616.82x = 327,377,046.38 × 80,049,506.86
  4. Step 4: Simplify right side
    218,222,616.82x = 26,206,371,120,002,348
  5. Step 5: Solve for x
    x = 26,206,371,120,002,348/218,222,616.82
  6. Step 6: Final answer
    x = 120,090,078.20

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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.