Home / 227,571,424-314,062,786.56-128,468,961.92

Finding the Fourth Proportional to 227,571,424, 314,062,786.56 and 128,468,961.92

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Solution

The fourth proportional to 227,571,424, 314,062,786.56 and 128,468,961.92 is: 177,295,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,571,424 : 314,062,786.56 = 128,468,961.92 : x
  2. Step 2: Convert to fraction form
    227,571,424/314,062,786.56 = 128,468,961.92/x
  3. Step 3: Cross multiply
    227,571,424x = 314,062,786.56 × 128,468,961.92
  4. Step 4: Simplify right side
    227,571,424x = 40,347,320,167,065,728
  5. Step 5: Solve for x
    x = 40,347,320,167,065,728/227,571,424
  6. Step 6: Final answer
    x = 177,295,195.76

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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.