Home / 218,593,927.30-328,016,862.15-82,377,069.70

Finding the Fourth Proportional to 218,593,927.30, 328,016,862.15 and 82,377,069.70

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Solution

The fourth proportional to 218,593,927.30, 328,016,862.15 and 82,377,069.70 is: 123,613,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,593,927.30 : 328,016,862.15 = 82,377,069.70 : x
  2. Step 2: Convert to fraction form
    218,593,927.30/328,016,862.15 = 82,377,069.70/x
  3. Step 3: Cross multiply
    218,593,927.30x = 328,016,862.15 × 82,377,069.70
  4. Step 4: Simplify right side
    218,593,927.30x = 27,021,067,916,105,840
  5. Step 5: Solve for x
    x = 27,021,067,916,105,840/218,593,927.30
  6. Step 6: Final answer
    x = 123,613,076.77

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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.