Home / 80,474,612.33-111,057,647.51-45,198,633.92

Finding the Fourth Proportional to 80,474,612.33, 111,057,647.51 and 45,198,633.92

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Solution

The fourth proportional to 80,474,612.33, 111,057,647.51 and 45,198,633.92 is: 62,375,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,612.33 : 111,057,647.51 = 45,198,633.92 : x
  2. Step 2: Convert to fraction form
    80,474,612.33/111,057,647.51 = 45,198,633.92/x
  3. Step 3: Cross multiply
    80,474,612.33x = 111,057,647.51 × 45,198,633.92
  4. Step 4: Simplify right side
    80,474,612.33x = 5,019,653,953,378,598
  5. Step 5: Solve for x
    x = 5,019,653,953,378,598/80,474,612.33
  6. Step 6: Final answer
    x = 62,375,621.43

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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.