Home / 187,958,622.96-281,951,523-78,673,883.04

Finding the Fourth Proportional to 187,958,622.96, 281,951,523 and 78,673,883.04

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Solution

The fourth proportional to 187,958,622.96, 281,951,523 and 78,673,883.04 is: 118,016,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,958,622.96 : 281,951,523 = 78,673,883.04 : x
  2. Step 2: Convert to fraction form
    187,958,622.96/281,951,523 = 78,673,883.04/x
  3. Step 3: Cross multiply
    187,958,622.96x = 281,951,523 × 78,673,883.04
  4. Step 4: Simplify right side
    187,958,622.96x = 22,182,221,143,451,872
  5. Step 5: Solve for x
    x = 22,182,221,143,451,872/187,958,622.96
  6. Step 6: Final answer
    x = 118,016,512.33

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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.