Home / 52,193,973.92-72,025,691.82-28,990,589.20

Finding the Fourth Proportional to 52,193,973.92, 72,025,691.82 and 28,990,589.20

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Solution

The fourth proportional to 52,193,973.92, 72,025,691.82 and 28,990,589.20 is: 40,005,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,193,973.92 : 72,025,691.82 = 28,990,589.20 : x
  2. Step 2: Convert to fraction form
    52,193,973.92/72,025,691.82 = 28,990,589.20/x
  3. Step 3: Cross multiply
    52,193,973.92x = 72,025,691.82 × 28,990,589.20
  4. Step 4: Simplify right side
    52,193,973.92x = 2,088,067,243,399,420
  5. Step 5: Solve for x
    x = 2,088,067,243,399,420/52,193,973.92
  6. Step 6: Final answer
    x = 40,005,906.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.