Home / 187,654,849.74-258,965,799.23-107,197,496.96

Finding the Fourth Proportional to 187,654,849.74, 258,965,799.23 and 107,197,496.96

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Solution

The fourth proportional to 187,654,849.74, 258,965,799.23 and 107,197,496.96 is: 147,933,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,654,849.74 : 258,965,799.23 = 107,197,496.96 : x
  2. Step 2: Convert to fraction form
    187,654,849.74/258,965,799.23 = 107,197,496.96/x
  3. Step 3: Cross multiply
    187,654,849.74x = 258,965,799.23 × 107,197,496.96
  4. Step 4: Simplify right side
    187,654,849.74x = 27,760,485,474,675,060
  5. Step 5: Solve for x
    x = 27,760,485,474,675,060/187,654,849.74
  6. Step 6: Final answer
    x = 147,933,749.18

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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.