Home / 91,126,850.19-125,755,386.56-49,310,915.82

Finding the Fourth Proportional to 91,126,850.19, 125,755,386.56 and 49,310,915.82

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Solution

The fourth proportional to 91,126,850.19, 125,755,386.56 and 49,310,915.82 is: 68,049,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126,850.19 : 125,755,386.56 = 49,310,915.82 : x
  2. Step 2: Convert to fraction form
    91,126,850.19/125,755,386.56 = 49,310,915.82/x
  3. Step 3: Cross multiply
    91,126,850.19x = 125,755,386.56 × 49,310,915.82
  4. Step 4: Simplify right side
    91,126,850.19x = 6,201,113,280,325,165
  5. Step 5: Solve for x
    x = 6,201,113,280,325,165/91,126,850.19
  6. Step 6: Final answer
    x = 68,049,244.18

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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.