Home / 199,520,512.20-299,280,768.30-117,891,174.60

Finding the Fourth Proportional to 199,520,512.20, 299,280,768.30 and 117,891,174.60

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Solution

The fourth proportional to 199,520,512.20, 299,280,768.30 and 117,891,174.60 is: 176,836,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,520,512.20 : 299,280,768.30 = 117,891,174.60 : x
  2. Step 2: Convert to fraction form
    199,520,512.20/299,280,768.30 = 117,891,174.60/x
  3. Step 3: Cross multiply
    199,520,512.20x = 299,280,768.30 × 117,891,174.60
  4. Step 4: Simplify right side
    199,520,512.20x = 35,282,561,310,077,444
  5. Step 5: Solve for x
    x = 35,282,561,310,077,444/199,520,512.20
  6. Step 6: Final answer
    x = 176,836,761.90

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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.