Home / 80,449,372.80-120,674,059.20-48,200,745.60

Finding the Fourth Proportional to 80,449,372.80, 120,674,059.20 and 48,200,745.60

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Solution

The fourth proportional to 80,449,372.80, 120,674,059.20 and 48,200,745.60 is: 72,301,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,449,372.80 : 120,674,059.20 = 48,200,745.60 : x
  2. Step 2: Convert to fraction form
    80,449,372.80/120,674,059.20 = 48,200,745.60/x
  3. Step 3: Cross multiply
    80,449,372.80x = 120,674,059.20 × 48,200,745.60
  4. Step 4: Simplify right side
    80,449,372.80x = 5,816,579,628,018,540
  5. Step 5: Solve for x
    x = 5,816,579,628,018,540/80,449,372.80
  6. Step 6: Final answer
    x = 72,301,118.40

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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.