Home / 91,918,418.76-126,847,418.04-50,666,196.96

Finding the Fourth Proportional to 91,918,418.76, 126,847,418.04 and 50,666,196.96

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Solution

The fourth proportional to 91,918,418.76, 126,847,418.04 and 50,666,196.96 is: 69,919,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,918,418.76 : 126,847,418.04 = 50,666,196.96 : x
  2. Step 2: Convert to fraction form
    91,918,418.76/126,847,418.04 = 50,666,196.96/x
  3. Step 3: Cross multiply
    91,918,418.76x = 126,847,418.04 × 50,666,196.96
  4. Step 4: Simplify right side
    91,918,418.76x = 6,426,876,266,282,098
  5. Step 5: Solve for x
    x = 6,426,876,266,282,098/91,918,418.76
  6. Step 6: Final answer
    x = 69,919,351.89

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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.