Home / 89,046,949.27-122,897,763-49,891,372.69

Finding the Fourth Proportional to 89,046,949.27, 122,897,763 and 49,891,372.69

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Solution

The fourth proportional to 89,046,949.27, 122,897,763 and 49,891,372.69 is: 68,857,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,046,949.27 : 122,897,763 = 49,891,372.69 : x
  2. Step 2: Convert to fraction form
    89,046,949.27/122,897,763 = 49,891,372.69/x
  3. Step 3: Cross multiply
    89,046,949.27x = 122,897,763 × 49,891,372.69
  4. Step 4: Simplify right side
    89,046,949.27x = 6,131,538,096,600,292
  5. Step 5: Solve for x
    x = 6,131,538,096,600,292/89,046,949.27
  6. Step 6: Final answer
    x = 68,857,362.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.