Home / 80,419,578.16-120,694,001.28-41,569,408.12

Finding the Fourth Proportional to 80,419,578.16, 120,694,001.28 and 41,569,408.12

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Solution

The fourth proportional to 80,419,578.16, 120,694,001.28 and 41,569,408.12 is: 62,387,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,419,578.16 : 120,694,001.28 = 41,569,408.12 : x
  2. Step 2: Convert to fraction form
    80,419,578.16/120,694,001.28 = 41,569,408.12/x
  3. Step 3: Cross multiply
    80,419,578.16x = 120,694,001.28 × 41,569,408.12
  4. Step 4: Simplify right side
    80,419,578.16x = 5,017,178,196,844,122
  5. Step 5: Solve for x
    x = 5,017,178,196,844,122/80,419,578.16
  6. Step 6: Final answer
    x = 62,387,521.94

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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.