Home / 83,266,143.60-124,899,215.40-21,855,183.60

Finding the Fourth Proportional to 83,266,143.60, 124,899,215.40 and 21,855,183.60

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Solution

The fourth proportional to 83,266,143.60, 124,899,215.40 and 21,855,183.60 is: 32,782,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266,143.60 : 124,899,215.40 = 21,855,183.60 : x
  2. Step 2: Convert to fraction form
    83,266,143.60/124,899,215.40 = 21,855,183.60/x
  3. Step 3: Cross multiply
    83,266,143.60x = 124,899,215.40 × 21,855,183.60
  4. Step 4: Simplify right side
    83,266,143.60x = 2,729,695,284,062,948
  5. Step 5: Solve for x
    x = 2,729,695,284,062,948/83,266,143.60
  6. Step 6: Final answer
    x = 32,782,775.40

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Double scale
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Similar ratio
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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.