Home / 80,047,350.31-120,069,757.54-25,459,147.75

Finding the Fourth Proportional to 80,047,350.31, 120,069,757.54 and 25,459,147.75

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Solution

The fourth proportional to 80,047,350.31, 120,069,757.54 and 25,459,147.75 is: 38,188,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,047,350.31 : 120,069,757.54 = 25,459,147.75 : x
  2. Step 2: Convert to fraction form
    80,047,350.31/120,069,757.54 = 25,459,147.75/x
  3. Step 3: Cross multiply
    80,047,350.31x = 120,069,757.54 × 25,459,147.75
  4. Step 4: Simplify right side
    80,047,350.31x = 3,056,873,697,517,536.50
  5. Step 5: Solve for x
    x = 3,056,873,697,517,536.50/80,047,350.31
  6. Step 6: Final answer
    x = 38,188,318.36

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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.