Home / 51,988,253.70-77,982,380.55-47,957,175.30

Finding the Fourth Proportional to 51,988,253.70, 77,982,380.55 and 47,957,175.30

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Solution

The fourth proportional to 51,988,253.70, 77,982,380.55 and 47,957,175.30 is: 71,935,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,253.70 : 77,982,380.55 = 47,957,175.30 : x
  2. Step 2: Convert to fraction form
    51,988,253.70/77,982,380.55 = 47,957,175.30/x
  3. Step 3: Cross multiply
    51,988,253.70x = 77,982,380.55 × 47,957,175.30
  4. Step 4: Simplify right side
    51,988,253.70x = 3,739,814,694,347,660
  5. Step 5: Solve for x
    x = 3,739,814,694,347,660/51,988,253.70
  6. Step 6: Final answer
    x = 71,935,762.95

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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.