Home / 187,665,703.20-281,330,593.20-72,612,007.20

Finding the Fourth Proportional to 187,665,703.20, 281,330,593.20 and 72,612,007.20

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Solution

The fourth proportional to 187,665,703.20, 281,330,593.20 and 72,612,007.20 is: 108,853,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,665,703.20 : 281,330,593.20 = 72,612,007.20 : x
  2. Step 2: Convert to fraction form
    187,665,703.20/281,330,593.20 = 72,612,007.20/x
  3. Step 3: Cross multiply
    187,665,703.20x = 281,330,593.20 × 72,612,007.20
  4. Step 4: Simplify right side
    187,665,703.20x = 20,427,979,059,018,672
  5. Step 5: Solve for x
    x = 20,427,979,059,018,672/187,665,703.20
  6. Step 6: Final answer
    x = 108,853,022.75

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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.