Home / 57,077,758.84-85,613,581.32-20,187,092.92

Finding the Fourth Proportional to 57,077,758.84, 85,613,581.32 and 20,187,092.92

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Solution

The fourth proportional to 57,077,758.84, 85,613,581.32 and 20,187,092.92 is: 30,279,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077,758.84 : 85,613,581.32 = 20,187,092.92 : x
  2. Step 2: Convert to fraction form
    57,077,758.84/85,613,581.32 = 20,187,092.92/x
  3. Step 3: Cross multiply
    57,077,758.84x = 85,613,581.32 × 20,187,092.92
  4. Step 4: Simplify right side
    57,077,758.84x = 1,728,289,321,320,816.25
  5. Step 5: Solve for x
    x = 1,728,289,321,320,816.25/57,077,758.84
  6. Step 6: Final answer
    x = 30,279,558.21

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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.