Home / 189,504,266.92-261,517,691.22-111,189,152.68

Finding the Fourth Proportional to 189,504,266.92, 261,517,691.22 and 111,189,152.68

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Solution

The fourth proportional to 189,504,266.92, 261,517,691.22 and 111,189,152.68 is: 153,442,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,504,266.92 : 261,517,691.22 = 111,189,152.68 : x
  2. Step 2: Convert to fraction form
    189,504,266.92/261,517,691.22 = 111,189,152.68/x
  3. Step 3: Cross multiply
    189,504,266.92x = 261,517,691.22 × 111,189,152.68
  4. Step 4: Simplify right side
    189,504,266.92x = 29,077,930,497,581,676
  5. Step 5: Solve for x
    x = 29,077,930,497,581,676/189,504,266.92
  6. Step 6: Final answer
    x = 153,442,088.51

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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.