Home / 54,521,229.60-81,781,844.40-39,215,728.80

Finding the Fourth Proportional to 54,521,229.60, 81,781,844.40 and 39,215,728.80

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Solution

The fourth proportional to 54,521,229.60, 81,781,844.40 and 39,215,728.80 is: 58,823,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521,229.60 : 81,781,844.40 = 39,215,728.80 : x
  2. Step 2: Convert to fraction form
    54,521,229.60/81,781,844.40 = 39,215,728.80/x
  3. Step 3: Cross multiply
    54,521,229.60x = 81,781,844.40 × 39,215,728.80
  4. Step 4: Simplify right side
    54,521,229.60x = 3,207,134,630,754,198.50
  5. Step 5: Solve for x
    x = 3,207,134,630,754,198.50/54,521,229.60
  6. Step 6: Final answer
    x = 58,823,593.20

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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.