Home / 56,679,793.70-85,019,690.55-27,981,979.70

Finding the Fourth Proportional to 56,679,793.70, 85,019,690.55 and 27,981,979.70

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Solution

The fourth proportional to 56,679,793.70, 85,019,690.55 and 27,981,979.70 is: 41,972,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679,793.70 : 85,019,690.55 = 27,981,979.70 : x
  2. Step 2: Convert to fraction form
    56,679,793.70/85,019,690.55 = 27,981,979.70/x
  3. Step 3: Cross multiply
    56,679,793.70x = 85,019,690.55 × 27,981,979.70
  4. Step 4: Simplify right side
    56,679,793.70x = 2,379,019,255,070,381.50
  5. Step 5: Solve for x
    x = 2,379,019,255,070,381.50/56,679,793.70
  6. Step 6: Final answer
    x = 41,972,969.55

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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.