Home / 54,569,443.80-81,865,538.10-18,189,136.20

Finding the Fourth Proportional to 54,569,443.80, 81,865,538.10 and 18,189,136.20

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Solution

The fourth proportional to 54,569,443.80, 81,865,538.10 and 18,189,136.20 is: 27,287,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,569,443.80 : 81,865,538.10 = 18,189,136.20 : x
  2. Step 2: Convert to fraction form
    54,569,443.80/81,865,538.10 = 18,189,136.20/x
  3. Step 3: Cross multiply
    54,569,443.80x = 81,865,538.10 × 18,189,136.20
  4. Step 4: Simplify right side
    54,569,443.80x = 1,489,063,422,587,189
  5. Step 5: Solve for x
    x = 1,489,063,422,587,189/54,569,443.80
  6. Step 6: Final answer
    x = 27,287,494.96

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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.