Home / 91,126,844.91-125,755,379.22-49,310,910.60

Finding the Fourth Proportional to 91,126,844.91, 125,755,379.22 and 49,310,910.60

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Solution

The fourth proportional to 91,126,844.91, 125,755,379.22 and 49,310,910.60 is: 68,049,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126,844.91 : 125,755,379.22 = 49,310,910.60 : x
  2. Step 2: Convert to fraction form
    91,126,844.91/125,755,379.22 = 49,310,910.60/x
  3. Step 3: Cross multiply
    91,126,844.91x = 125,755,379.22 × 49,310,910.60
  4. Step 4: Simplify right side
    91,126,844.91x = 6,201,112,262,186,518
  5. Step 5: Solve for x
    x = 6,201,112,262,186,518/91,126,844.91
  6. Step 6: Final answer
    x = 68,049,236.95

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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.