Home / 75,801,145.20-113,701,717.80-27,280,581.90

Finding the Fourth Proportional to 75,801,145.20, 113,701,717.80 and 27,280,581.90

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Solution

The fourth proportional to 75,801,145.20, 113,701,717.80 and 27,280,581.90 is: 40,920,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,801,145.20 : 113,701,717.80 = 27,280,581.90 : x
  2. Step 2: Convert to fraction form
    75,801,145.20/113,701,717.80 = 27,280,581.90/x
  3. Step 3: Cross multiply
    75,801,145.20x = 113,701,717.80 × 27,280,581.90
  4. Step 4: Simplify right side
    75,801,145.20x = 3,101,849,024,613,587.50
  5. Step 5: Solve for x
    x = 3,101,849,024,613,587.50/75,801,145.20
  6. Step 6: Final answer
    x = 40,920,872.85

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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.