Home / 189,504,265.92-261,517,689.84-111,189,151.68

Finding the Fourth Proportional to 189,504,265.92, 261,517,689.84 and 111,189,151.68

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Solution

The fourth proportional to 189,504,265.92, 261,517,689.84 and 111,189,151.68 is: 153,442,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,504,265.92 : 261,517,689.84 = 111,189,151.68 : x
  2. Step 2: Convert to fraction form
    189,504,265.92/261,517,689.84 = 111,189,151.68/x
  3. Step 3: Cross multiply
    189,504,265.92x = 261,517,689.84 × 111,189,151.68
  4. Step 4: Simplify right side
    189,504,265.92x = 29,077,930,082,622,956
  5. Step 5: Solve for x
    x = 29,077,930,082,622,956/189,504,265.92
  6. Step 6: Final answer
    x = 153,442,087.13

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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.