Home / 89,352,121.50-123,311,194.74-67,286,691.18

Finding the Fourth Proportional to 89,352,121.50, 123,311,194.74 and 67,286,691.18

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Solution

The fourth proportional to 89,352,121.50, 123,311,194.74 and 67,286,691.18 is: 92,859,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,352,121.50 : 123,311,194.74 = 67,286,691.18 : x
  2. Step 2: Convert to fraction form
    89,352,121.50/123,311,194.74 = 67,286,691.18/x
  3. Step 3: Cross multiply
    89,352,121.50x = 123,311,194.74 × 67,286,691.18
  4. Step 4: Simplify right side
    89,352,121.50x = 8,297,202,279,507,221
  5. Step 5: Solve for x
    x = 8,297,202,279,507,221/89,352,121.50
  6. Step 6: Final answer
    x = 92,859,600.20

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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.