Home / 423,693,131.65-635,527,949.20-112,803,414.85

Finding the Fourth Proportional to 423,693,131.65, 635,527,949.20 and 112,803,414.85

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Solution

The fourth proportional to 423,693,131.65, 635,527,949.20 and 112,803,414.85 is: 169,201,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,693,131.65 : 635,527,949.20 = 112,803,414.85 : x
  2. Step 2: Convert to fraction form
    423,693,131.65/635,527,949.20 = 112,803,414.85/x
  3. Step 3: Cross multiply
    423,693,131.65x = 635,527,949.20 × 112,803,414.85
  4. Step 4: Simplify right side
    423,693,131.65x = 71,689,722,902,377,328
  5. Step 5: Solve for x
    x = 71,689,722,902,377,328/423,693,131.65
  6. Step 6: Final answer
    x = 169,201,994.43

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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.