Home / 57,731,207.76-79,650,321.48-39,364,606.80

Finding the Fourth Proportional to 57,731,207.76, 79,650,321.48 and 39,364,606.80

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Solution

The fourth proportional to 57,731,207.76, 79,650,321.48 and 39,364,606.80 is: 54,310,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731,207.76 : 79,650,321.48 = 39,364,606.80 : x
  2. Step 2: Convert to fraction form
    57,731,207.76/79,650,321.48 = 39,364,606.80/x
  3. Step 3: Cross multiply
    57,731,207.76x = 79,650,321.48 × 39,364,606.80
  4. Step 4: Simplify right side
    57,731,207.76x = 3,135,403,586,553,794
  5. Step 5: Solve for x
    x = 3,135,403,586,553,794/57,731,207.76
  6. Step 6: Final answer
    x = 54,310,375.76

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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.