Home / 80,993,508.10-111,770,968.97-45,718,738.11

Finding the Fourth Proportional to 80,993,508.10, 111,770,968.97 and 45,718,738.11

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Solution

The fourth proportional to 80,993,508.10, 111,770,968.97 and 45,718,738.11 is: 63,091,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,993,508.10 : 111,770,968.97 = 45,718,738.11 : x
  2. Step 2: Convert to fraction form
    80,993,508.10/111,770,968.97 = 45,718,738.11/x
  3. Step 3: Cross multiply
    80,993,508.10x = 111,770,968.97 × 45,718,738.11
  4. Step 4: Simplify right side
    80,993,508.10x = 5,110,027,658,904,141
  5. Step 5: Solve for x
    x = 5,110,027,658,904,141/80,993,508.10
  6. Step 6: Final answer
    x = 63,091,817.83

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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.