Home / 83,266,145.10-124,899,217.65-21,855,185.10

Finding the Fourth Proportional to 83,266,145.10, 124,899,217.65 and 21,855,185.10

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Solution

The fourth proportional to 83,266,145.10, 124,899,217.65 and 21,855,185.10 is: 32,782,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266,145.10 : 124,899,217.65 = 21,855,185.10 : x
  2. Step 2: Convert to fraction form
    83,266,145.10/124,899,217.65 = 21,855,185.10/x
  3. Step 3: Cross multiply
    83,266,145.10x = 124,899,217.65 × 21,855,185.10
  4. Step 4: Simplify right side
    83,266,145.10x = 2,729,695,520,585,937.50
  5. Step 5: Solve for x
    x = 2,729,695,520,585,937.50/83,266,145.10
  6. Step 6: Final answer
    x = 32,782,777.65

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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.