Home / 80,088,110.20-120,132,165.30-43,682,433.40

Finding the Fourth Proportional to 80,088,110.20, 120,132,165.30 and 43,682,433.40

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Solution

The fourth proportional to 80,088,110.20, 120,132,165.30 and 43,682,433.40 is: 65,523,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088,110.20 : 120,132,165.30 = 43,682,433.40 : x
  2. Step 2: Convert to fraction form
    80,088,110.20/120,132,165.30 = 43,682,433.40/x
  3. Step 3: Cross multiply
    80,088,110.20x = 120,132,165.30 × 43,682,433.40
  4. Step 4: Simplify right side
    80,088,110.20x = 5,247,665,309,915,041
  5. Step 5: Solve for x
    x = 5,247,665,309,915,041/80,088,110.20
  6. Step 6: Final answer
    x = 65,523,650.10

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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.