Home / 49,538,452.56-74,278,241.73-18,835,279.80

Finding the Fourth Proportional to 49,538,452.56, 74,278,241.73 and 18,835,279.80

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Solution

The fourth proportional to 49,538,452.56, 74,278,241.73 and 18,835,279.80 is: 28,241,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538,452.56 : 74,278,241.73 = 18,835,279.80 : x
  2. Step 2: Convert to fraction form
    49,538,452.56/74,278,241.73 = 18,835,279.80/x
  3. Step 3: Cross multiply
    49,538,452.56x = 74,278,241.73 × 18,835,279.80
  4. Step 4: Simplify right side
    49,538,452.56x = 1,399,051,466,036,586.25
  5. Step 5: Solve for x
    x = 1,399,051,466,036,586.25/49,538,452.56
  6. Step 6: Final answer
    x = 28,241,727.26

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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.