Home / 197,673,100.92-272,788,407.18-108,364,887.72

Finding the Fourth Proportional to 197,673,100.92, 272,788,407.18 and 108,364,887.72

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Solution

The fourth proportional to 197,673,100.92, 272,788,407.18 and 108,364,887.72 is: 149,543,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,673,100.92 : 272,788,407.18 = 108,364,887.72 : x
  2. Step 2: Convert to fraction form
    197,673,100.92/272,788,407.18 = 108,364,887.72/x
  3. Step 3: Cross multiply
    197,673,100.92x = 272,788,407.18 × 108,364,887.72
  4. Step 4: Simplify right side
    197,673,100.92x = 29,560,685,115,378,344
  5. Step 5: Solve for x
    x = 29,560,685,115,378,344/197,673,100.92
  6. Step 6: Final answer
    x = 149,543,286.25

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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.