Home / 187,958,623.96-281,951,524.50-78,673,884.04

Finding the Fourth Proportional to 187,958,623.96, 281,951,524.50 and 78,673,884.04

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Solution

The fourth proportional to 187,958,623.96, 281,951,524.50 and 78,673,884.04 is: 118,016,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,958,623.96 : 281,951,524.50 = 78,673,884.04 : x
  2. Step 2: Convert to fraction form
    187,958,623.96/281,951,524.50 = 78,673,884.04/x
  3. Step 3: Cross multiply
    187,958,623.96x = 281,951,524.50 × 78,673,884.04
  4. Step 4: Simplify right side
    187,958,623.96x = 22,182,221,543,414,220
  5. Step 5: Solve for x
    x = 22,182,221,543,414,220/187,958,623.96
  6. Step 6: Final answer
    x = 118,016,513.83

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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.