Home / 56,679,782.20-85,019,673.30-27,981,968.20

Finding the Fourth Proportional to 56,679,782.20, 85,019,673.30 and 27,981,968.20

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Solution

The fourth proportional to 56,679,782.20, 85,019,673.30 and 27,981,968.20 is: 41,972,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679,782.20 : 85,019,673.30 = 27,981,968.20 : x
  2. Step 2: Convert to fraction form
    56,679,782.20/85,019,673.30 = 27,981,968.20/x
  3. Step 3: Cross multiply
    56,679,782.20x = 85,019,673.30 × 27,981,968.20
  4. Step 4: Simplify right side
    56,679,782.20x = 2,379,017,794,654,989
  5. Step 5: Solve for x
    x = 2,379,017,794,654,989/56,679,782.20
  6. Step 6: Final answer
    x = 41,972,952.30

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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.