Home / 80,088,113.70-120,132,170.55-43,682,436.90

Finding the Fourth Proportional to 80,088,113.70, 120,132,170.55 and 43,682,436.90

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Solution

The fourth proportional to 80,088,113.70, 120,132,170.55 and 43,682,436.90 is: 65,523,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088,113.70 : 120,132,170.55 = 43,682,436.90 : x
  2. Step 2: Convert to fraction form
    80,088,113.70/120,132,170.55 = 43,682,436.90/x
  3. Step 3: Cross multiply
    80,088,113.70x = 120,132,170.55 × 43,682,436.90
  4. Step 4: Simplify right side
    80,088,113.70x = 5,247,665,959,710,413
  5. Step 5: Solve for x
    x = 5,247,665,959,710,413/80,088,113.70
  6. Step 6: Final answer
    x = 65,523,655.35

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Similar ratio
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1.5x scale

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.