Home / 187,454,858.40-281,350,249.20-161,924,695.20

Finding the Fourth Proportional to 187,454,858.40, 281,350,249.20 and 161,924,695.20

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Solution

The fourth proportional to 187,454,858.40, 281,350,249.20 and 161,924,695.20 is: 243,032,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,454,858.40 : 281,350,249.20 = 161,924,695.20 : x
  2. Step 2: Convert to fraction form
    187,454,858.40/281,350,249.20 = 161,924,695.20/x
  3. Step 3: Cross multiply
    187,454,858.40x = 281,350,249.20 × 161,924,695.20
  4. Step 4: Simplify right side
    187,454,858.40x = 45,557,553,346,154,040
  5. Step 5: Solve for x
    x = 45,557,553,346,154,040/187,454,858.40
  6. Step 6: Final answer
    x = 243,032,129.10

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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.