Home / 276,905,529.76-382,247,292.10-172,535,167.47

Finding the Fourth Proportional to 276,905,529.76, 382,247,292.10 and 172,535,167.47

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Solution

The fourth proportional to 276,905,529.76, 382,247,292.10 and 172,535,167.47 is: 238,171,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,529.76 : 382,247,292.10 = 172,535,167.47 : x
  2. Step 2: Convert to fraction form
    276,905,529.76/382,247,292.10 = 172,535,167.47/x
  3. Step 3: Cross multiply
    276,905,529.76x = 382,247,292.10 × 172,535,167.47
  4. Step 4: Simplify right side
    276,905,529.76x = 65,951,100,555,516,280
  5. Step 5: Solve for x
    x = 65,951,100,555,516,280/276,905,529.76
  6. Step 6: Final answer
    x = 238,171,843.71

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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.