Home / 99,743,589.42-137,644,849.66-55,691,338.06

Finding the Fourth Proportional to 99,743,589.42, 137,644,849.66 and 55,691,338.06

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Solution

The fourth proportional to 99,743,589.42, 137,644,849.66 and 55,691,338.06 is: 76,853,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743,589.42 : 137,644,849.66 = 55,691,338.06 : x
  2. Step 2: Convert to fraction form
    99,743,589.42/137,644,849.66 = 55,691,338.06/x
  3. Step 3: Cross multiply
    99,743,589.42x = 137,644,849.66 × 55,691,338.06
  4. Step 4: Simplify right side
    99,743,589.42x = 7,665,625,854,632,936
  5. Step 5: Solve for x
    x = 7,665,625,854,632,936/99,743,589.42
  6. Step 6: Final answer
    x = 76,853,318.59

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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.