Home / 83,413,843.62-125,120,515.10-21,165,037.44

Finding the Fourth Proportional to 83,413,843.62, 125,120,515.10 and 21,165,037.44

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Solution

The fourth proportional to 83,413,843.62, 125,120,515.10 and 21,165,037.44 is: 31,747,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413,843.62 : 125,120,515.10 = 21,165,037.44 : x
  2. Step 2: Convert to fraction form
    83,413,843.62/125,120,515.10 = 21,165,037.44/x
  3. Step 3: Cross multiply
    83,413,843.62x = 125,120,515.10 × 21,165,037.44
  4. Step 4: Simplify right side
    83,413,843.62x = 2,648,180,386,603,585.50
  5. Step 5: Solve for x
    x = 2,648,180,386,603,585.50/83,413,843.62
  6. Step 6: Final answer
    x = 31,747,492.64

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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.