Home / 127,029,067.68-190,554,967.80-49,304,149.50

Finding the Fourth Proportional to 127,029,067.68, 190,554,967.80 and 49,304,149.50

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Solution

The fourth proportional to 127,029,067.68, 190,554,967.80 and 49,304,149.50 is: 73,960,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,029,067.68 : 190,554,967.80 = 49,304,149.50 : x
  2. Step 2: Convert to fraction form
    127,029,067.68/190,554,967.80 = 49,304,149.50/x
  3. Step 3: Cross multiply
    127,029,067.68x = 190,554,967.80 × 49,304,149.50
  4. Step 4: Simplify right side
    127,029,067.68x = 9,395,150,620,378,886
  5. Step 5: Solve for x
    x = 9,395,150,620,378,886/127,029,067.68
  6. Step 6: Final answer
    x = 73,960,635.88

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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.