Home / 55,367,939.72-76,407,517.14-30,588,125.96

Finding the Fourth Proportional to 55,367,939.72, 76,407,517.14 and 30,588,125.96

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Solution

The fourth proportional to 55,367,939.72, 76,407,517.14 and 30,588,125.96 is: 42,211,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367,939.72 : 76,407,517.14 = 30,588,125.96 : x
  2. Step 2: Convert to fraction form
    55,367,939.72/76,407,517.14 = 30,588,125.96/x
  3. Step 3: Cross multiply
    55,367,939.72x = 76,407,517.14 × 30,588,125.96
  4. Step 4: Simplify right side
    55,367,939.72x = 2,337,162,758,569,179
  5. Step 5: Solve for x
    x = 2,337,162,758,569,179/55,367,939.72
  6. Step 6: Final answer
    x = 42,211,481.42

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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.