Home / 57,981,855.50-80,012,921.82-31,876,183.26

Finding the Fourth Proportional to 57,981,855.50, 80,012,921.82 and 31,876,183.26

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Solution

The fourth proportional to 57,981,855.50, 80,012,921.82 and 31,876,183.26 is: 43,988,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981,855.50 : 80,012,921.82 = 31,876,183.26 : x
  2. Step 2: Convert to fraction form
    57,981,855.50/80,012,921.82 = 31,876,183.26/x
  3. Step 3: Cross multiply
    57,981,855.50x = 80,012,921.82 × 31,876,183.26
  4. Step 4: Simplify right side
    57,981,855.50x = 2,550,506,559,102,372.50
  5. Step 5: Solve for x
    x = 2,550,506,559,102,372.50/57,981,855.50
  6. Step 6: Final answer
    x = 43,988,012.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.