Home / 51,642,436.85-71,261,144.78-29,308,310.65

Finding the Fourth Proportional to 51,642,436.85, 71,261,144.78 and 29,308,310.65

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Solution

The fourth proportional to 51,642,436.85, 71,261,144.78 and 29,308,310.65 is: 40,442,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642,436.85 : 71,261,144.78 = 29,308,310.65 : x
  2. Step 2: Convert to fraction form
    51,642,436.85/71,261,144.78 = 29,308,310.65/x
  3. Step 3: Cross multiply
    51,642,436.85x = 71,261,144.78 × 29,308,310.65
  4. Step 4: Simplify right side
    51,642,436.85x = 2,088,543,768,486,865.75
  5. Step 5: Solve for x
    x = 2,088,543,768,486,865.75/51,642,436.85
  6. Step 6: Final answer
    x = 40,442,393.81

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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.