Home / 276,905,974.88-382,247,906.10-172,535,613.32

Finding the Fourth Proportional to 276,905,974.88, 382,247,906.10 and 172,535,613.32

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Solution

The fourth proportional to 276,905,974.88, 382,247,906.10 and 172,535,613.32 is: 238,172,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,974.88 : 382,247,906.10 = 172,535,613.32 : x
  2. Step 2: Convert to fraction form
    276,905,974.88/382,247,906.10 = 172,535,613.32/x
  3. Step 3: Cross multiply
    276,905,974.88x = 382,247,906.10 × 172,535,613.32
  4. Step 4: Simplify right side
    276,905,974.88x = 65,951,376,919,249,272
  5. Step 5: Solve for x
    x = 65,951,376,919,249,272/276,905,974.88
  6. Step 6: Final answer
    x = 238,172,458.89

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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.