Home / 323,376,648.30-485,067,073.05-129,304,367.82

Finding the Fourth Proportional to 323,376,648.30, 485,067,073.05 and 129,304,367.82

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Solution

The fourth proportional to 323,376,648.30, 485,067,073.05 and 129,304,367.82 is: 193,957,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,376,648.30 : 485,067,073.05 = 129,304,367.82 : x
  2. Step 2: Convert to fraction form
    323,376,648.30/485,067,073.05 = 129,304,367.82/x
  3. Step 3: Cross multiply
    323,376,648.30x = 485,067,073.05 × 129,304,367.82
  4. Step 4: Simplify right side
    323,376,648.30x = 62,721,291,231,028,008
  5. Step 5: Solve for x
    x = 62,721,291,231,028,008/323,376,648.30
  6. Step 6: Final answer
    x = 193,957,391.67

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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.