Home / 187,218,604.20-280,827,906.30-141,868,972.20

Finding the Fourth Proportional to 187,218,604.20, 280,827,906.30 and 141,868,972.20

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Solution

The fourth proportional to 187,218,604.20, 280,827,906.30 and 141,868,972.20 is: 212,803,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,218,604.20 : 280,827,906.30 = 141,868,972.20 : x
  2. Step 2: Convert to fraction form
    187,218,604.20/280,827,906.30 = 141,868,972.20/x
  3. Step 3: Cross multiply
    187,218,604.20x = 280,827,906.30 × 141,868,972.20
  4. Step 4: Simplify right side
    187,218,604.20x = 39,840,766,431,858,904
  5. Step 5: Solve for x
    x = 39,840,766,431,858,904/187,218,604.20
  6. Step 6: Final answer
    x = 212,803,458.30

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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.