Home / 91,131,418.92-125,760,400.02-49,314,568.80

Finding the Fourth Proportional to 91,131,418.92, 125,760,400.02 and 49,314,568.80

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Solution

The fourth proportional to 91,131,418.92, 125,760,400.02 and 49,314,568.80 is: 68,053,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131,418.92 : 125,760,400.02 = 49,314,568.80 : x
  2. Step 2: Convert to fraction form
    91,131,418.92/125,760,400.02 = 49,314,568.80/x
  3. Step 3: Cross multiply
    91,131,418.92x = 125,760,400.02 × 49,314,568.80
  4. Step 4: Simplify right side
    91,131,418.92x = 6,201,819,899,101,811
  5. Step 5: Solve for x
    x = 6,201,819,899,101,811/91,131,418.92
  6. Step 6: Final answer
    x = 68,053,586.49

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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.