Home / 80,453,025.80-120,679,538.70-48,204,398.60

Finding the Fourth Proportional to 80,453,025.80, 120,679,538.70 and 48,204,398.60

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Solution

The fourth proportional to 80,453,025.80, 120,679,538.70 and 48,204,398.60 is: 72,306,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,025.80 : 120,679,538.70 = 48,204,398.60 : x
  2. Step 2: Convert to fraction form
    80,453,025.80/120,679,538.70 = 48,204,398.60/x
  3. Step 3: Cross multiply
    80,453,025.80x = 120,679,538.70 × 48,204,398.60
  4. Step 4: Simplify right side
    80,453,025.80x = 5,817,284,586,358,926
  5. Step 5: Solve for x
    x = 5,817,284,586,358,926/80,453,025.80
  6. Step 6: Final answer
    x = 72,306,597.90

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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.