Home / 163,377,900.57-225,469,496.28-91,873,286.45

Finding the Fourth Proportional to 163,377,900.57, 225,469,496.28 and 91,873,286.45

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Solution

The fourth proportional to 163,377,900.57, 225,469,496.28 and 91,873,286.45 is: 126,789,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,377,900.57 : 225,469,496.28 = 91,873,286.45 : x
  2. Step 2: Convert to fraction form
    163,377,900.57/225,469,496.28 = 91,873,286.45/x
  3. Step 3: Cross multiply
    163,377,900.57x = 225,469,496.28 × 91,873,286.45
  4. Step 4: Simplify right side
    163,377,900.57x = 20,714,623,618,284,276
  5. Step 5: Solve for x
    x = 20,714,623,618,284,276/163,377,900.57
  6. Step 6: Final answer
    x = 126,789,630.34

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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.