Home / 128,060,934.20-192,062,651.68-58,907,321.72

Finding the Fourth Proportional to 128,060,934.20, 192,062,651.68 and 58,907,321.72

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Solution

The fourth proportional to 128,060,934.20, 192,062,651.68 and 58,907,321.72 is: 88,347,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,060,934.20 : 192,062,651.68 = 58,907,321.72 : x
  2. Step 2: Convert to fraction form
    128,060,934.20/192,062,651.68 = 58,907,321.72/x
  3. Step 3: Cross multiply
    128,060,934.20x = 192,062,651.68 × 58,907,321.72
  4. Step 4: Simplify right side
    128,060,934.20x = 11,313,896,412,910,058
  5. Step 5: Solve for x
    x = 11,313,896,412,910,058/128,060,934.20
  6. Step 6: Final answer
    x = 88,347,757.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.