Home / 82,855,449.55-124,278,681.21-25,347,725.65

Finding the Fourth Proportional to 82,855,449.55, 124,278,681.21 and 25,347,725.65

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Solution

The fourth proportional to 82,855,449.55, 124,278,681.21 and 25,347,725.65 is: 38,020,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,855,449.55 : 124,278,681.21 = 25,347,725.65 : x
  2. Step 2: Convert to fraction form
    82,855,449.55/124,278,681.21 = 25,347,725.65/x
  3. Step 3: Cross multiply
    82,855,449.55x = 124,278,681.21 × 25,347,725.65
  4. Step 4: Simplify right side
    82,855,449.55x = 3,150,181,915,454,889.50
  5. Step 5: Solve for x
    x = 3,150,181,915,454,889.50/82,855,449.55
  6. Step 6: Final answer
    x = 38,020,213.91

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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.