Home / 91,665,837.76-126,496,331.76-50,412,745.12

Finding the Fourth Proportional to 91,665,837.76, 126,496,331.76 and 50,412,745.12

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Solution

The fourth proportional to 91,665,837.76, 126,496,331.76 and 50,412,745.12 is: 69,568,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,665,837.76 : 126,496,331.76 = 50,412,745.12 : x
  2. Step 2: Convert to fraction form
    91,665,837.76/126,496,331.76 = 50,412,745.12/x
  3. Step 3: Cross multiply
    91,665,837.76x = 126,496,331.76 × 50,412,745.12
  4. Step 4: Simplify right side
    91,665,837.76x = 6,377,027,331,631,841
  5. Step 5: Solve for x
    x = 6,377,027,331,631,841/91,665,837.76
  6. Step 6: Final answer
    x = 69,568,199.97

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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.