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Finding the Fourth Proportional to 220,398,461.02, 330,645,516.96 and 67,040,531.65

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Solution

The fourth proportional to 220,398,461.02, 330,645,516.96 and 67,040,531.65 is: 100,575,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,398,461.02 : 330,645,516.96 = 67,040,531.65 : x
  2. Step 2: Convert to fraction form
    220,398,461.02/330,645,516.96 = 67,040,531.65/x
  3. Step 3: Cross multiply
    220,398,461.02x = 330,645,516.96 × 67,040,531.65
  4. Step 4: Simplify right side
    220,398,461.02x = 22,166,651,244,687,488
  5. Step 5: Solve for x
    x = 22,166,651,244,687,488/220,398,461.02
  6. Step 6: Final answer
    x = 100,575,344.96

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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.