Home / 48,454,385.86-72,672,949.03-19,305,781.95

Finding the Fourth Proportional to 48,454,385.86, 72,672,949.03 and 19,305,781.95

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Solution

The fourth proportional to 48,454,385.86, 72,672,949.03 and 19,305,781.95 is: 28,955,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,454,385.86 : 72,672,949.03 = 19,305,781.95 : x
  2. Step 2: Convert to fraction form
    48,454,385.86/72,672,949.03 = 19,305,781.95/x
  3. Step 3: Cross multiply
    48,454,385.86x = 72,672,949.03 × 19,305,781.95
  4. Step 4: Simplify right side
    48,454,385.86x = 1,403,008,107,636,644
  5. Step 5: Solve for x
    x = 1,403,008,107,636,644/48,454,385.86
  6. Step 6: Final answer
    x = 28,955,234.55

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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.