Home / 57,121,517.94-85,685,032.56-18,782,183.22

Finding the Fourth Proportional to 57,121,517.94, 85,685,032.56 and 18,782,183.22

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Solution

The fourth proportional to 57,121,517.94, 85,685,032.56 and 18,782,183.22 is: 28,174,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121,517.94 : 85,685,032.56 = 18,782,183.22 : x
  2. Step 2: Convert to fraction form
    57,121,517.94/85,685,032.56 = 18,782,183.22/x
  3. Step 3: Cross multiply
    57,121,517.94x = 85,685,032.56 × 18,782,183.22
  4. Step 4: Simplify right side
    57,121,517.94x = 1,609,351,980,753,585.50
  5. Step 5: Solve for x
    x = 1,609,351,980,753,585.50/57,121,517.94
  6. Step 6: Final answer
    x = 28,174,180.92

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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.