Home / 55,234,474.09-76,224,171.96-30,454,708.86

Finding the Fourth Proportional to 55,234,474.09, 76,224,171.96 and 30,454,708.86

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Solution

The fourth proportional to 55,234,474.09, 76,224,171.96 and 30,454,708.86 is: 42,027,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234,474.09 : 76,224,171.96 = 30,454,708.86 : x
  2. Step 2: Convert to fraction form
    55,234,474.09/76,224,171.96 = 30,454,708.86/x
  3. Step 3: Cross multiply
    55,234,474.09x = 76,224,171.96 × 30,454,708.86
  4. Step 4: Simplify right side
    55,234,474.09x = 2,321,384,965,136,375.50
  5. Step 5: Solve for x
    x = 2,321,384,965,136,375.50/55,234,474.09
  6. Step 6: Final answer
    x = 42,027,827.79

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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.