Home / 91,665,988.84-126,496,540.02-50,412,896.20

Finding the Fourth Proportional to 91,665,988.84, 126,496,540.02 and 50,412,896.20

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Solution

The fourth proportional to 91,665,988.84, 126,496,540.02 and 50,412,896.20 is: 69,568,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,665,988.84 : 126,496,540.02 = 50,412,896.20 : x
  2. Step 2: Convert to fraction form
    91,665,988.84/126,496,540.02 = 50,412,896.20/x
  3. Step 3: Cross multiply
    91,665,988.84x = 126,496,540.02 × 50,412,896.20
  4. Step 4: Simplify right side
    91,665,988.84x = 6,377,056,941,687,406
  5. Step 5: Solve for x
    x = 6,377,056,941,687,406/91,665,988.84
  6. Step 6: Final answer
    x = 69,568,408.33

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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.