Home / 45,492,711.10-68,239,066.65-40,957,747.90

Finding the Fourth Proportional to 45,492,711.10, 68,239,066.65 and 40,957,747.90

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Solution

The fourth proportional to 45,492,711.10, 68,239,066.65 and 40,957,747.90 is: 61,436,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,492,711.10 : 68,239,066.65 = 40,957,747.90 : x
  2. Step 2: Convert to fraction form
    45,492,711.10/68,239,066.65 = 40,957,747.90/x
  3. Step 3: Cross multiply
    45,492,711.10x = 68,239,066.65 × 40,957,747.90
  4. Step 4: Simplify right side
    45,492,711.10x = 2,794,918,488,781,997.50
  5. Step 5: Solve for x
    x = 2,794,918,488,781,997.50/45,492,711.10
  6. Step 6: Final answer
    x = 61,436,621.85

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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.