Home / 91,990,101.06-138,046,513.85-47,715,191.61

Finding the Fourth Proportional to 91,990,101.06, 138,046,513.85 and 47,715,191.61

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Solution

The fourth proportional to 91,990,101.06, 138,046,513.85 and 47,715,191.61 is: 71,604,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,990,101.06 : 138,046,513.85 = 47,715,191.61 : x
  2. Step 2: Convert to fraction form
    91,990,101.06/138,046,513.85 = 47,715,191.61/x
  3. Step 3: Cross multiply
    91,990,101.06x = 138,046,513.85 × 47,715,191.61
  4. Step 4: Simplify right side
    91,990,101.06x = 6,586,915,858,867,951
  5. Step 5: Solve for x
    x = 6,586,915,858,867,951/91,990,101.06
  6. Step 6: Final answer
    x = 71,604,615.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.