Home / 198,169,243.20-273,471,938.64-108,862,682.40

Finding the Fourth Proportional to 198,169,243.20, 273,471,938.64 and 108,862,682.40

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Solution

The fourth proportional to 198,169,243.20, 273,471,938.64 and 108,862,682.40 is: 150,229,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,169,243.20 : 273,471,938.64 = 108,862,682.40 : x
  2. Step 2: Convert to fraction form
    198,169,243.20/273,471,938.64 = 108,862,682.40/x
  3. Step 3: Cross multiply
    198,169,243.20x = 273,471,938.64 × 108,862,682.40
  4. Step 4: Simplify right side
    198,169,243.20x = 29,770,888,801,478,608
  5. Step 5: Solve for x
    x = 29,770,888,801,478,608/198,169,243.20
  6. Step 6: Final answer
    x = 150,229,613.44

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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.