Home / 80,753,134.04-111,439,777.62-45,945,823.76

Finding the Fourth Proportional to 80,753,134.04, 111,439,777.62 and 45,945,823.76

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Solution

The fourth proportional to 80,753,134.04, 111,439,777.62 and 45,945,823.76 is: 63,405,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753,134.04 : 111,439,777.62 = 45,945,823.76 : x
  2. Step 2: Convert to fraction form
    80,753,134.04/111,439,777.62 = 45,945,823.76/x
  3. Step 3: Cross multiply
    80,753,134.04x = 111,439,777.62 × 45,945,823.76
  4. Step 4: Simplify right side
    80,753,134.04x = 5,120,192,382,382,112
  5. Step 5: Solve for x
    x = 5,120,192,382,382,112/80,753,134.04
  6. Step 6: Final answer
    x = 63,405,494.33

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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.