Home / 91,126,841.15-125,755,374.06-49,310,906.85

Finding the Fourth Proportional to 91,126,841.15, 125,755,374.06 and 49,310,906.85

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Solution

The fourth proportional to 91,126,841.15, 125,755,374.06 and 49,310,906.85 is: 68,049,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126,841.15 : 125,755,374.06 = 49,310,906.85 : x
  2. Step 2: Convert to fraction form
    91,126,841.15/125,755,374.06 = 49,310,906.85/x
  3. Step 3: Cross multiply
    91,126,841.15x = 125,755,374.06 × 49,310,906.85
  4. Step 4: Simplify right side
    91,126,841.15x = 6,201,111,536,159,567
  5. Step 5: Solve for x
    x = 6,201,111,536,159,567/91,126,841.15
  6. Step 6: Final answer
    x = 68,049,231.79

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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.