Home / 56,794,781.40-85,204,613.70-18,449,770.20

Finding the Fourth Proportional to 56,794,781.40, 85,204,613.70 and 18,449,770.20

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Solution

The fourth proportional to 56,794,781.40, 85,204,613.70 and 18,449,770.20 is: 27,678,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,794,781.40 : 85,204,613.70 = 18,449,770.20 : x
  2. Step 2: Convert to fraction form
    56,794,781.40/85,204,613.70 = 18,449,770.20/x
  3. Step 3: Cross multiply
    56,794,781.40x = 85,204,613.70 × 18,449,770.20
  4. Step 4: Simplify right side
    56,794,781.40x = 1,572,005,542,744,771.75
  5. Step 5: Solve for x
    x = 1,572,005,542,744,771.75/56,794,781.40
  6. Step 6: Final answer
    x = 27,678,696.95

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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.