Home / 126,858,531.90-190,308,793.05-54,110,163.90

Finding the Fourth Proportional to 126,858,531.90, 190,308,793.05 and 54,110,163.90

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Solution

The fourth proportional to 126,858,531.90, 190,308,793.05 and 54,110,163.90 is: 81,174,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,858,531.90 : 190,308,793.05 = 54,110,163.90 : x
  2. Step 2: Convert to fraction form
    126,858,531.90/190,308,793.05 = 54,110,163.90/x
  3. Step 3: Cross multiply
    126,858,531.90x = 190,308,793.05 × 54,110,163.90
  4. Step 4: Simplify right side
    126,858,531.90x = 10,297,639,983,546,682
  5. Step 5: Solve for x
    x = 10,297,639,983,546,682/126,858,531.90
  6. Step 6: Final answer
    x = 81,174,201.13

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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.