Home / 55,227,115.44-82,852,631.16-21,148,462.80

Finding the Fourth Proportional to 55,227,115.44, 82,852,631.16 and 21,148,462.80

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Solution

The fourth proportional to 55,227,115.44, 82,852,631.16 and 21,148,462.80 is: 31,727,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,227,115.44 : 82,852,631.16 = 21,148,462.80 : x
  2. Step 2: Convert to fraction form
    55,227,115.44/82,852,631.16 = 21,148,462.80/x
  3. Step 3: Cross multiply
    55,227,115.44x = 82,852,631.16 × 21,148,462.80
  4. Step 4: Simplify right side
    55,227,115.44x = 1,752,205,787,969,380.75
  5. Step 5: Solve for x
    x = 1,752,205,787,969,380.75/55,227,115.44
  6. Step 6: Final answer
    x = 31,727,273.35

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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.