Home / 284,016,727.30-391,876,520.69-172,504,462.27

Finding the Fourth Proportional to 284,016,727.30, 391,876,520.69 and 172,504,462.27

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Solution

The fourth proportional to 284,016,727.30, 391,876,520.69 and 172,504,462.27 is: 238,015,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,016,727.30 : 391,876,520.69 = 172,504,462.27 : x
  2. Step 2: Convert to fraction form
    284,016,727.30/391,876,520.69 = 172,504,462.27/x
  3. Step 3: Cross multiply
    284,016,727.30x = 391,876,520.69 × 172,504,462.27
  4. Step 4: Simplify right side
    284,016,727.30x = 67,600,448,477,866,984
  5. Step 5: Solve for x
    x = 67,600,448,477,866,984/284,016,727.30
  6. Step 6: Final answer
    x = 238,015,729.29

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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.