Home / 187,780,517.40-281,471,976.42-63,164,513.88

Finding the Fourth Proportional to 187,780,517.40, 281,471,976.42 and 63,164,513.88

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Solution

The fourth proportional to 187,780,517.40, 281,471,976.42 and 63,164,513.88 is: 94,679,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,780,517.40 : 281,471,976.42 = 63,164,513.88 : x
  2. Step 2: Convert to fraction form
    187,780,517.40/281,471,976.42 = 63,164,513.88/x
  3. Step 3: Cross multiply
    187,780,517.40x = 281,471,976.42 × 63,164,513.88
  4. Step 4: Simplify right side
    187,780,517.40x = 17,779,040,561,412,124
  5. Step 5: Solve for x
    x = 17,779,040,561,412,124/187,780,517.40
  6. Step 6: Final answer
    x = 94,679,899.74

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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.