Home / 125,305,748.64-187,967,682-52,449,255.36

Finding the Fourth Proportional to 125,305,748.64, 187,967,682 and 52,449,255.36

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Solution

The fourth proportional to 125,305,748.64, 187,967,682 and 52,449,255.36 is: 78,677,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,305,748.64 : 187,967,682 = 52,449,255.36 : x
  2. Step 2: Convert to fraction form
    125,305,748.64/187,967,682 = 52,449,255.36/x
  3. Step 3: Cross multiply
    125,305,748.64x = 187,967,682 × 52,449,255.36
  4. Step 4: Simplify right side
    125,305,748.64x = 9,858,764,952,645,276
  5. Step 5: Solve for x
    x = 9,858,764,952,645,276/125,305,748.64
  6. Step 6: Final answer
    x = 78,677,674.88

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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.