Home / 91,126,885.93-125,755,435.91-49,310,951.60

Finding the Fourth Proportional to 91,126,885.93, 125,755,435.91 and 49,310,951.60

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Solution

The fourth proportional to 91,126,885.93, 125,755,435.91 and 49,310,951.60 is: 68,049,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126,885.93 : 125,755,435.91 = 49,310,951.60 : x
  2. Step 2: Convert to fraction form
    91,126,885.93/125,755,435.91 = 49,310,951.60/x
  3. Step 3: Cross multiply
    91,126,885.93x = 125,755,435.91 × 49,310,951.60
  4. Step 4: Simplify right side
    91,126,885.93x = 6,201,120,213,594,912
  5. Step 5: Solve for x
    x = 6,201,120,213,594,912/91,126,885.93
  6. Step 6: Final answer
    x = 68,049,293.58

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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.