Home / 80,474,166.78-120,638,462.49-29,344,227.90

Finding the Fourth Proportional to 80,474,166.78, 120,638,462.49 and 29,344,227.90

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Solution

The fourth proportional to 80,474,166.78, 120,638,462.49 and 29,344,227.90 is: 43,989,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,166.78 : 120,638,462.49 = 29,344,227.90 : x
  2. Step 2: Convert to fraction form
    80,474,166.78/120,638,462.49 = 29,344,227.90/x
  3. Step 3: Cross multiply
    80,474,166.78x = 120,638,462.49 × 29,344,227.90
  4. Step 4: Simplify right side
    80,474,166.78x = 3,540,042,536,812,161
  5. Step 5: Solve for x
    x = 3,540,042,536,812,161/80,474,166.78
  6. Step 6: Final answer
    x = 43,989,800.43

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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.