Home / 66,454,370.76-99,680,891.82-21,016,173

Finding the Fourth Proportional to 66,454,370.76, 99,680,891.82 and 21,016,173

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Solution

The fourth proportional to 66,454,370.76, 99,680,891.82 and 21,016,173 is: 31,524,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454,370.76 : 99,680,891.82 = 21,016,173 : x
  2. Step 2: Convert to fraction form
    66,454,370.76/99,680,891.82 = 21,016,173/x
  3. Step 3: Cross multiply
    66,454,370.76x = 99,680,891.82 × 21,016,173
  4. Step 4: Simplify right side
    66,454,370.76x = 2,094,910,867,283,404.75
  5. Step 5: Solve for x
    x = 2,094,910,867,283,404.75/66,454,370.76
  6. Step 6: Final answer
    x = 31,524,049.41

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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.