Home / 47,780,660.96-65,942,909.97-27,157,207.22

Finding the Fourth Proportional to 47,780,660.96, 65,942,909.97 and 27,157,207.22

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Solution

The fourth proportional to 47,780,660.96, 65,942,909.97 and 27,157,207.22 is: 37,480,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,660.96 : 65,942,909.97 = 27,157,207.22 : x
  2. Step 2: Convert to fraction form
    47,780,660.96/65,942,909.97 = 27,157,207.22/x
  3. Step 3: Cross multiply
    47,780,660.96x = 65,942,909.97 × 27,157,207.22
  4. Step 4: Simplify right side
    47,780,660.96x = 1,790,825,270,745,093.75
  5. Step 5: Solve for x
    x = 1,790,825,270,745,093.75/47,780,660.96
  6. Step 6: Final answer
    x = 37,480,127.62

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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.