Home / 80,453,003.80-120,679,505.70-48,204,376.60

Finding the Fourth Proportional to 80,453,003.80, 120,679,505.70 and 48,204,376.60

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Solution

The fourth proportional to 80,453,003.80, 120,679,505.70 and 48,204,376.60 is: 72,306,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,003.80 : 120,679,505.70 = 48,204,376.60 : x
  2. Step 2: Convert to fraction form
    80,453,003.80/120,679,505.70 = 48,204,376.60/x
  3. Step 3: Cross multiply
    80,453,003.80x = 120,679,505.70 × 48,204,376.60
  4. Step 4: Simplify right side
    80,453,003.80x = 5,817,280,340,664,647
  5. Step 5: Solve for x
    x = 5,817,280,340,664,647/80,453,003.80
  6. Step 6: Final answer
    x = 72,306,564.90

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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.