Home / 198,169,249.20-273,471,946.92-108,862,688.40

Finding the Fourth Proportional to 198,169,249.20, 273,471,946.92 and 108,862,688.40

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Solution

The fourth proportional to 198,169,249.20, 273,471,946.92 and 108,862,688.40 is: 150,229,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,169,249.20 : 273,471,946.92 = 108,862,688.40 : x
  2. Step 2: Convert to fraction form
    198,169,249.20/273,471,946.92 = 108,862,688.40/x
  3. Step 3: Cross multiply
    198,169,249.20x = 273,471,946.92 × 108,862,688.40
  4. Step 4: Simplify right side
    198,169,249.20x = 29,770,891,343,693,304
  5. Step 5: Solve for x
    x = 29,770,891,343,693,304/198,169,249.20
  6. Step 6: Final answer
    x = 150,229,621.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.