Home / 54,266,145.60-81,231,256.80-31,479,355.20

Finding the Fourth Proportional to 54,266,145.60, 81,231,256.80 and 31,479,355.20

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Solution

The fourth proportional to 54,266,145.60, 81,231,256.80 and 31,479,355.20 is: 47,121,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,266,145.60 : 81,231,256.80 = 31,479,355.20 : x
  2. Step 2: Convert to fraction form
    54,266,145.60/81,231,256.80 = 31,479,355.20/x
  3. Step 3: Cross multiply
    54,266,145.60x = 81,231,256.80 × 31,479,355.20
  4. Step 4: Simplify right side
    54,266,145.60x = 2,557,107,586,149,615
  5. Step 5: Solve for x
    x = 2,557,107,586,149,615/54,266,145.60
  6. Step 6: Final answer
    x = 47,121,599.62

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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.