Home / 91,857,749.20-137,738,780.44-43,322,571.27

Finding the Fourth Proportional to 91,857,749.20, 137,738,780.44 and 43,322,571.27

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Solution

The fourth proportional to 91,857,749.20, 137,738,780.44 and 43,322,571.27 is: 64,961,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857,749.20 : 137,738,780.44 = 43,322,571.27 : x
  2. Step 2: Convert to fraction form
    91,857,749.20/137,738,780.44 = 43,322,571.27/x
  3. Step 3: Cross multiply
    91,857,749.20x = 137,738,780.44 × 43,322,571.27
  4. Step 4: Simplify right side
    91,857,749.20x = 5,967,198,132,146,476
  5. Step 5: Solve for x
    x = 5,967,198,132,146,476/91,857,749.20
  6. Step 6: Final answer
    x = 64,961,292.70

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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.