Home / 57,486,930.45-79,321,350.09-32,705,670.57

Finding the Fourth Proportional to 57,486,930.45, 79,321,350.09 and 32,705,670.57

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Solution

The fourth proportional to 57,486,930.45, 79,321,350.09 and 32,705,670.57 is: 45,127,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486,930.45 : 79,321,350.09 = 32,705,670.57 : x
  2. Step 2: Convert to fraction form
    57,486,930.45/79,321,350.09 = 32,705,670.57/x
  3. Step 3: Cross multiply
    57,486,930.45x = 79,321,350.09 × 32,705,670.57
  4. Step 4: Simplify right side
    57,486,930.45x = 2,594,257,945,211,180
  5. Step 5: Solve for x
    x = 2,594,257,945,211,180/57,486,930.45
  6. Step 6: Final answer
    x = 45,127,786.87

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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.