Home / 189,295,255.52-261,227,626.92-102,375,127.52

Finding the Fourth Proportional to 189,295,255.52, 261,227,626.92 and 102,375,127.52

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Solution

The fourth proportional to 189,295,255.52, 261,227,626.92 and 102,375,127.52 is: 141,277,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,295,255.52 : 261,227,626.92 = 102,375,127.52 : x
  2. Step 2: Convert to fraction form
    189,295,255.52/261,227,626.92 = 102,375,127.52/x
  3. Step 3: Cross multiply
    189,295,255.52x = 261,227,626.92 × 102,375,127.52
  4. Step 4: Simplify right side
    189,295,255.52x = 26,743,211,617,681,984
  5. Step 5: Solve for x
    x = 26,743,211,617,681,984/189,295,255.52
  6. Step 6: Final answer
    x = 141,277,770.24

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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.