Home / 66,472,404.73-91,747,224.03-38,979,190.33

Finding the Fourth Proportional to 66,472,404.73, 91,747,224.03 and 38,979,190.33

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Solution

The fourth proportional to 66,472,404.73, 91,747,224.03 and 38,979,190.33 is: 53,800,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472,404.73 : 91,747,224.03 = 38,979,190.33 : x
  2. Step 2: Convert to fraction form
    66,472,404.73/91,747,224.03 = 38,979,190.33/x
  3. Step 3: Cross multiply
    66,472,404.73x = 91,747,224.03 × 38,979,190.33
  4. Step 4: Simplify right side
    66,472,404.73x = 3,576,232,508,303,879
  5. Step 5: Solve for x
    x = 3,576,232,508,303,879/66,472,404.73
  6. Step 6: Final answer
    x = 53,800,257.75

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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.