Home / 218,222,751.38-327,377,248.27-80,049,641.40

Finding the Fourth Proportional to 218,222,751.38, 327,377,248.27 and 80,049,641.40

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Solution

The fourth proportional to 218,222,751.38, 327,377,248.27 and 80,049,641.40 is: 120,090,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,222,751.38 : 327,377,248.27 = 80,049,641.40 : x
  2. Step 2: Convert to fraction form
    218,222,751.38/327,377,248.27 = 80,049,641.40/x
  3. Step 3: Cross multiply
    218,222,751.38x = 327,377,248.27 × 80,049,641.40
  4. Step 4: Simplify right side
    218,222,751.38x = 26,206,431,326,332,148
  5. Step 5: Solve for x
    x = 26,206,431,326,332,148/218,222,751.38
  6. Step 6: Final answer
    x = 120,090,280.05

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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.