Home / 187,344,902.70-281,017,354.05-168,260,265.90

Finding the Fourth Proportional to 187,344,902.70, 281,017,354.05 and 168,260,265.90

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Solution

The fourth proportional to 187,344,902.70, 281,017,354.05 and 168,260,265.90 is: 252,390,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,344,902.70 : 281,017,354.05 = 168,260,265.90 : x
  2. Step 2: Convert to fraction form
    187,344,902.70/281,017,354.05 = 168,260,265.90/x
  3. Step 3: Cross multiply
    187,344,902.70x = 281,017,354.05 × 168,260,265.90
  4. Step 4: Simplify right side
    187,344,902.70x = 47,284,054,714,967,448
  5. Step 5: Solve for x
    x = 47,284,054,714,967,448/187,344,902.70
  6. Step 6: Final answer
    x = 252,390,398.85

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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.