Home / 80,289,795.96-110,797,761.60-47,251,989

Finding the Fourth Proportional to 80,289,795.96, 110,797,761.60 and 47,251,989

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Solution

The fourth proportional to 80,289,795.96, 110,797,761.60 and 47,251,989 is: 65,206,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,289,795.96 : 110,797,761.60 = 47,251,989 : x
  2. Step 2: Convert to fraction form
    80,289,795.96/110,797,761.60 = 47,251,989/x
  3. Step 3: Cross multiply
    80,289,795.96x = 110,797,761.60 × 47,251,989
  4. Step 4: Simplify right side
    80,289,795.96x = 5,235,414,612,347,822
  5. Step 5: Solve for x
    x = 5,235,414,612,347,822/80,289,795.96
  6. Step 6: Final answer
    x = 65,206,475.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.