Home / 54,858,139.80-82,284,585.30-18,462,960.60

Finding the Fourth Proportional to 54,858,139.80, 82,284,585.30 and 18,462,960.60

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Solution

The fourth proportional to 54,858,139.80, 82,284,585.30 and 18,462,960.60 is: 27,693,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858,139.80 : 82,284,585.30 = 18,462,960.60 : x
  2. Step 2: Convert to fraction form
    54,858,139.80/82,284,585.30 = 18,462,960.60/x
  3. Step 3: Cross multiply
    54,858,139.80x = 82,284,585.30 × 18,462,960.60
  4. Step 4: Simplify right side
    54,858,139.80x = 1,519,217,056,381,239.25
  5. Step 5: Solve for x
    x = 1,519,217,056,381,239.25/54,858,139.80
  6. Step 6: Final answer
    x = 27,693,557.64

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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.