Home / 320,798,089.80-481,300,765.66-148,388,000.68

Finding the Fourth Proportional to 320,798,089.80, 481,300,765.66 and 148,388,000.68

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Solution

The fourth proportional to 320,798,089.80, 481,300,765.66 and 148,388,000.68 is: 222,629,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,089.80 : 481,300,765.66 = 148,388,000.68 : x
  2. Step 2: Convert to fraction form
    320,798,089.80/481,300,765.66 = 148,388,000.68/x
  3. Step 3: Cross multiply
    320,798,089.80x = 481,300,765.66 × 148,388,000.68
  4. Step 4: Simplify right side
    320,798,089.80x = 71,419,258,342,040,608
  5. Step 5: Solve for x
    x = 71,419,258,342,040,608/320,798,089.80
  6. Step 6: Final answer
    x = 222,629,936.44

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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.