Home / 217,748,896.60-326,772,644.10-96,667,245.40

Finding the Fourth Proportional to 217,748,896.60, 326,772,644.10 and 96,667,245.40

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Solution

The fourth proportional to 217,748,896.60, 326,772,644.10 and 96,667,245.40 is: 145,067,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748,896.60 : 326,772,644.10 = 96,667,245.40 : x
  2. Step 2: Convert to fraction form
    217,748,896.60/326,772,644.10 = 96,667,245.40/x
  3. Step 3: Cross multiply
    217,748,896.60x = 326,772,644.10 × 96,667,245.40
  4. Step 4: Simplify right side
    217,748,896.60x = 31,588,211,377,221,568
  5. Step 5: Solve for x
    x = 31,588,211,377,221,568/217,748,896.60
  6. Step 6: Final answer
    x = 145,067,147.85

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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.