Home / 321,034,817.80-481,552,226.70-231,007,400.20

Finding the Fourth Proportional to 321,034,817.80, 481,552,226.70 and 231,007,400.20

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Solution

The fourth proportional to 321,034,817.80, 481,552,226.70 and 231,007,400.20 is: 346,511,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,034,817.80 : 481,552,226.70 = 231,007,400.20 : x
  2. Step 2: Convert to fraction form
    321,034,817.80/481,552,226.70 = 231,007,400.20/x
  3. Step 3: Cross multiply
    321,034,817.80x = 481,552,226.70 × 231,007,400.20
  4. Step 4: Simplify right side
    321,034,817.80x = 111,242,127,950,488,016
  5. Step 5: Solve for x
    x = 111,242,127,950,488,016/321,034,817.80
  6. Step 6: Final answer
    x = 346,511,100.30

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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.