Home / 208,344,862.50-312,486,872.11-60,752,761.20

Finding the Fourth Proportional to 208,344,862.50, 312,486,872.11 and 60,752,761.20

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Solution

The fourth proportional to 208,344,862.50, 312,486,872.11 and 60,752,761.20 is: 91,120,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,344,862.50 : 312,486,872.11 = 60,752,761.20 : x
  2. Step 2: Convert to fraction form
    208,344,862.50/312,486,872.11 = 60,752,761.20/x
  3. Step 3: Cross multiply
    208,344,862.50x = 312,486,872.11 × 60,752,761.20
  4. Step 4: Simplify right side
    208,344,862.50x = 18,984,440,319,433,772
  5. Step 5: Solve for x
    x = 18,984,440,319,433,772/208,344,862.50
  6. Step 6: Final answer
    x = 91,120,270.94

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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.