Home / 66,437,649.28-99,661,691.04-17,914,772.56

Finding the Fourth Proportional to 66,437,649.28, 99,661,691.04 and 17,914,772.56

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Solution

The fourth proportional to 66,437,649.28, 99,661,691.04 and 17,914,772.56 is: 26,873,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,437,649.28 : 99,661,691.04 = 17,914,772.56 : x
  2. Step 2: Convert to fraction form
    66,437,649.28/99,661,691.04 = 17,914,772.56/x
  3. Step 3: Cross multiply
    66,437,649.28x = 99,661,691.04 × 17,914,772.56
  4. Step 4: Simplify right side
    66,437,649.28x = 1,785,416,527,926,589.75
  5. Step 5: Solve for x
    x = 1,785,416,527,926,589.75/66,437,649.28
  6. Step 6: Final answer
    x = 26,873,565.63

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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.