Home / 301,871,519.21-416,584,107.25-171,498,481.13

Finding the Fourth Proportional to 301,871,519.21, 416,584,107.25 and 171,498,481.13

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Solution

The fourth proportional to 301,871,519.21, 416,584,107.25 and 171,498,481.13 is: 236,668,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,871,519.21 : 416,584,107.25 = 171,498,481.13 : x
  2. Step 2: Convert to fraction form
    301,871,519.21/416,584,107.25 = 171,498,481.13/x
  3. Step 3: Cross multiply
    301,871,519.21x = 416,584,107.25 × 171,498,481.13
  4. Step 4: Simplify right side
    301,871,519.21x = 71,443,541,655,322,544
  5. Step 5: Solve for x
    x = 71,443,541,655,322,544/301,871,519.21
  6. Step 6: Final answer
    x = 236,668,705.42

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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.