Home / 266,175,959.72-399,276,270.50-81,951,687.61

Finding the Fourth Proportional to 266,175,959.72, 399,276,270.50 and 81,951,687.61

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Solution

The fourth proportional to 266,175,959.72, 399,276,270.50 and 81,951,687.61 is: 122,931,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,175,959.72 : 399,276,270.50 = 81,951,687.61 : x
  2. Step 2: Convert to fraction form
    266,175,959.72/399,276,270.50 = 81,951,687.61/x
  3. Step 3: Cross multiply
    266,175,959.72x = 399,276,270.50 × 81,951,687.61
  4. Step 4: Simplify right side
    266,175,959.72x = 32,721,364,188,693,912
  5. Step 5: Solve for x
    x = 32,721,364,188,693,912/266,175,959.72
  6. Step 6: Final answer
    x = 122,931,327.92

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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.