Home / 84,667,462.56-126,960,110.64-49,662,139.68

Finding the Fourth Proportional to 84,667,462.56, 126,960,110.64 and 49,662,139.68

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Solution

The fourth proportional to 84,667,462.56, 126,960,110.64 and 49,662,139.68 is: 74,469,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,667,462.56 : 126,960,110.64 = 49,662,139.68 : x
  2. Step 2: Convert to fraction form
    84,667,462.56/126,960,110.64 = 49,662,139.68/x
  3. Step 3: Cross multiply
    84,667,462.56x = 126,960,110.64 × 49,662,139.68
  4. Step 4: Simplify right side
    84,667,462.56x = 6,305,110,748,391,934
  5. Step 5: Solve for x
    x = 6,305,110,748,391,934/84,667,462.56
  6. Step 6: Final answer
    x = 74,469,111.96

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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.