Home / 189,504,267.92-261,517,692.60-111,189,153.68

Finding the Fourth Proportional to 189,504,267.92, 261,517,692.60 and 111,189,153.68

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Solution

The fourth proportional to 189,504,267.92, 261,517,692.60 and 111,189,153.68 is: 153,442,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,504,267.92 : 261,517,692.60 = 111,189,153.68 : x
  2. Step 2: Convert to fraction form
    189,504,267.92/261,517,692.60 = 111,189,153.68/x
  3. Step 3: Cross multiply
    189,504,267.92x = 261,517,692.60 × 111,189,153.68
  4. Step 4: Simplify right side
    189,504,267.92x = 29,077,930,912,540,400
  5. Step 5: Solve for x
    x = 29,077,930,912,540,400/189,504,267.92
  6. Step 6: Final answer
    x = 153,442,089.89

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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.