Home / 167,327,469.20-250,991,203.80-76,628,205.20

Finding the Fourth Proportional to 167,327,469.20, 250,991,203.80 and 76,628,205.20

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Solution

The fourth proportional to 167,327,469.20, 250,991,203.80 and 76,628,205.20 is: 114,942,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,327,469.20 : 250,991,203.80 = 76,628,205.20 : x
  2. Step 2: Convert to fraction form
    167,327,469.20/250,991,203.80 = 76,628,205.20/x
  3. Step 3: Cross multiply
    167,327,469.20x = 250,991,203.80 × 76,628,205.20
  4. Step 4: Simplify right side
    167,327,469.20x = 19,233,005,468,181,420
  5. Step 5: Solve for x
    x = 19,233,005,468,181,420/167,327,469.20
  6. Step 6: Final answer
    x = 114,942,307.80

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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.