Home / 61,986,531.42-92,993,249.10-18,854,613.71

Finding the Fourth Proportional to 61,986,531.42, 92,993,249.10 and 18,854,613.71

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Solution

The fourth proportional to 61,986,531.42, 92,993,249.10 and 18,854,613.71 is: 28,286,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,986,531.42 : 92,993,249.10 = 18,854,613.71 : x
  2. Step 2: Convert to fraction form
    61,986,531.42/92,993,249.10 = 18,854,613.71/x
  3. Step 3: Cross multiply
    61,986,531.42x = 92,993,249.10 × 18,854,613.71
  4. Step 4: Simplify right side
    61,986,531.42x = 1,753,351,789,372,768.25
  5. Step 5: Solve for x
    x = 1,753,351,789,372,768.25/61,986,531.42
  6. Step 6: Final answer
    x = 28,286,012.29

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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.