Home / 91,512,672.33-137,134,452.45-54,082,763.70

Finding the Fourth Proportional to 91,512,672.33, 137,134,452.45 and 54,082,763.70

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Solution

The fourth proportional to 91,512,672.33, 137,134,452.45 and 54,082,763.70 is: 81,044,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,512,672.33 : 137,134,452.45 = 54,082,763.70 : x
  2. Step 2: Convert to fraction form
    91,512,672.33/137,134,452.45 = 54,082,763.70/x
  3. Step 3: Cross multiply
    91,512,672.33x = 137,134,452.45 × 54,082,763.70
  4. Step 4: Simplify right side
    91,512,672.33x = 7,416,610,186,982,236
  5. Step 5: Solve for x
    x = 7,416,610,186,982,236/91,512,672.33
  6. Step 6: Final answer
    x = 81,044,624.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.