Home / 165,036,009.28-247,553,743.20-43,867,462.72

Finding the Fourth Proportional to 165,036,009.28, 247,553,743.20 and 43,867,462.72

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Solution

The fourth proportional to 165,036,009.28, 247,553,743.20 and 43,867,462.72 is: 65,801,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,036,009.28 : 247,553,743.20 = 43,867,462.72 : x
  2. Step 2: Convert to fraction form
    165,036,009.28/247,553,743.20 = 43,867,462.72/x
  3. Step 3: Cross multiply
    165,036,009.28x = 247,553,743.20 × 43,867,462.72
  4. Step 4: Simplify right side
    165,036,009.28x = 10,859,554,601,022,452
  5. Step 5: Solve for x
    x = 10,859,554,601,022,452/165,036,009.28
  6. Step 6: Final answer
    x = 65,801,122.12

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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.