Home / 187,971,169.52-281,956,366.20-106,052,861.36

Finding the Fourth Proportional to 187,971,169.52, 281,956,366.20 and 106,052,861.36

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Solution

The fourth proportional to 187,971,169.52, 281,956,366.20 and 106,052,861.36 is: 159,079,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971,169.52 : 281,956,366.20 = 106,052,861.36 : x
  2. Step 2: Convert to fraction form
    187,971,169.52/281,956,366.20 = 106,052,861.36/x
  3. Step 3: Cross multiply
    187,971,169.52x = 281,956,366.20 × 106,052,861.36
  4. Step 4: Simplify right side
    187,971,169.52x = 29,902,279,414,177,988
  5. Step 5: Solve for x
    x = 29,902,279,414,177,988/187,971,169.52
  6. Step 6: Final answer
    x = 159,079,073.09

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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.