Home / 54,979,049.76-82,479,181.59-20,897,731.14

Finding the Fourth Proportional to 54,979,049.76, 82,479,181.59 and 20,897,731.14

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Solution

The fourth proportional to 54,979,049.76, 82,479,181.59 and 20,897,731.14 is: 31,350,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979,049.76 : 82,479,181.59 = 20,897,731.14 : x
  2. Step 2: Convert to fraction form
    54,979,049.76/82,479,181.59 = 20,897,731.14/x
  3. Step 3: Cross multiply
    54,979,049.76x = 82,479,181.59 × 20,897,731.14
  4. Step 4: Simplify right side
    54,979,049.76x = 1,723,627,761,515,057.75
  5. Step 5: Solve for x
    x = 1,723,627,761,515,057.75/54,979,049.76
  6. Step 6: Final answer
    x = 31,350,628.45

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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.