Home / 108,515,201.70-162,770,178.15-65,351,694.90

Finding the Fourth Proportional to 108,515,201.70, 162,770,178.15 and 65,351,694.90

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Solution

The fourth proportional to 108,515,201.70, 162,770,178.15 and 65,351,694.90 is: 98,025,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,515,201.70 : 162,770,178.15 = 65,351,694.90 : x
  2. Step 2: Convert to fraction form
    108,515,201.70/162,770,178.15 = 65,351,694.90/x
  3. Step 3: Cross multiply
    108,515,201.70x = 162,770,178.15 × 65,351,694.90
  4. Step 4: Simplify right side
    108,515,201.70x = 10,637,307,021,277,446
  5. Step 5: Solve for x
    x = 10,637,307,021,277,446/108,515,201.70
  6. Step 6: Final answer
    x = 98,025,961.84

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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.