Home / 57,965,661.68-86,951,749.20-18,577,342.88

Finding the Fourth Proportional to 57,965,661.68, 86,951,749.20 and 18,577,342.88

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Solution

The fourth proportional to 57,965,661.68, 86,951,749.20 and 18,577,342.88 is: 27,867,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965,661.68 : 86,951,749.20 = 18,577,342.88 : x
  2. Step 2: Convert to fraction form
    57,965,661.68/86,951,749.20 = 18,577,342.88/x
  3. Step 3: Cross multiply
    57,965,661.68x = 86,951,749.20 × 18,577,342.88
  4. Step 4: Simplify right side
    57,965,661.68x = 1,615,332,458,904,165.75
  5. Step 5: Solve for x
    x = 1,615,332,458,904,165.75/57,965,661.68
  6. Step 6: Final answer
    x = 27,867,058.05

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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.