Home / 197,317,213.25-272,017,042.52-134,512,715.30

Finding the Fourth Proportional to 197,317,213.25, 272,017,042.52 and 134,512,715.30

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Solution

The fourth proportional to 197,317,213.25, 272,017,042.52 and 134,512,715.30 is: 185,436,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,317,213.25 : 272,017,042.52 = 134,512,715.30 : x
  2. Step 2: Convert to fraction form
    197,317,213.25/272,017,042.52 = 134,512,715.30/x
  3. Step 3: Cross multiply
    197,317,213.25x = 272,017,042.52 × 134,512,715.30
  4. Step 4: Simplify right side
    197,317,213.25x = 36,589,750,995,208,104
  5. Step 5: Solve for x
    x = 36,589,750,995,208,104/197,317,213.25
  6. Step 6: Final answer
    x = 185,436,183.66

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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.