Home / 80,589,207.84-111,217,049.28-45,318,112.86

Finding the Fourth Proportional to 80,589,207.84, 111,217,049.28 and 45,318,112.86

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Solution

The fourth proportional to 80,589,207.84, 111,217,049.28 and 45,318,112.86 is: 62,541,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589,207.84 : 111,217,049.28 = 45,318,112.86 : x
  2. Step 2: Convert to fraction form
    80,589,207.84/111,217,049.28 = 45,318,112.86/x
  3. Step 3: Cross multiply
    80,589,207.84x = 111,217,049.28 × 45,318,112.86
  4. Step 4: Simplify right side
    80,589,207.84x = 5,040,146,791,227,222
  5. Step 5: Solve for x
    x = 5,040,146,791,227,222/80,589,207.84
  6. Step 6: Final answer
    x = 62,541,212.73

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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.