Home / 284,016,726.30-391,876,519.31-172,504,461.27

Finding the Fourth Proportional to 284,016,726.30, 391,876,519.31 and 172,504,461.27

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Solution

The fourth proportional to 284,016,726.30, 391,876,519.31 and 172,504,461.27 is: 238,015,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,016,726.30 : 391,876,519.31 = 172,504,461.27 : x
  2. Step 2: Convert to fraction form
    284,016,726.30/391,876,519.31 = 172,504,461.27/x
  3. Step 3: Cross multiply
    284,016,726.30x = 391,876,519.31 × 172,504,461.27
  4. Step 4: Simplify right side
    284,016,726.30x = 67,600,447,847,934,304
  5. Step 5: Solve for x
    x = 67,600,447,847,934,304/284,016,726.30
  6. Step 6: Final answer
    x = 238,015,727.91

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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.