Home / 187,351,098.75-258,571,573.38-107,950,959.06

Finding the Fourth Proportional to 187,351,098.75, 258,571,573.38 and 107,950,959.06

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Solution

The fourth proportional to 187,351,098.75, 258,571,573.38 and 107,950,959.06 is: 148,987,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,351,098.75 : 258,571,573.38 = 107,950,959.06 : x
  2. Step 2: Convert to fraction form
    187,351,098.75/258,571,573.38 = 107,950,959.06/x
  3. Step 3: Cross multiply
    187,351,098.75x = 258,571,573.38 × 107,950,959.06
  4. Step 4: Simplify right side
    187,351,098.75x = 27,913,049,332,024,164
  5. Step 5: Solve for x
    x = 27,913,049,332,024,164/187,351,098.75
  6. Step 6: Final answer
    x = 148,987,913.70

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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.