Home / 276,654,644.40-414,981,966.60-72,182,719.65

Finding the Fourth Proportional to 276,654,644.40, 414,981,966.60 and 72,182,719.65

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Solution

The fourth proportional to 276,654,644.40, 414,981,966.60 and 72,182,719.65 is: 108,274,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,654,644.40 : 414,981,966.60 = 72,182,719.65 : x
  2. Step 2: Convert to fraction form
    276,654,644.40/414,981,966.60 = 72,182,719.65/x
  3. Step 3: Cross multiply
    276,654,644.40x = 414,981,966.60 × 72,182,719.65
  4. Step 4: Simplify right side
    276,654,644.40x = 29,954,526,954,893,468
  5. Step 5: Solve for x
    x = 29,954,526,954,893,468/276,654,644.40
  6. Step 6: Final answer
    x = 108,274,079.48

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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.