Home / 209,264,084.91-313,609,149.18-132,449,996.43

Finding the Fourth Proportional to 209,264,084.91, 313,609,149.18 and 132,449,996.43

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Solution

The fourth proportional to 209,264,084.91, 313,609,149.18 and 132,449,996.43 is: 198,493,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264,084.91 : 313,609,149.18 = 132,449,996.43 : x
  2. Step 2: Convert to fraction form
    209,264,084.91/313,609,149.18 = 132,449,996.43/x
  3. Step 3: Cross multiply
    209,264,084.91x = 313,609,149.18 × 132,449,996.43
  4. Step 4: Simplify right side
    209,264,084.91x = 41,537,530,689,306,344
  5. Step 5: Solve for x
    x = 41,537,530,689,306,344/209,264,084.91
  6. Step 6: Final answer
    x = 198,493,356.89

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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.