Home / 69,984,005.85-104,976,008.78-21,469,347.45

Finding the Fourth Proportional to 69,984,005.85, 104,976,008.78 and 21,469,347.45

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Solution

The fourth proportional to 69,984,005.85, 104,976,008.78 and 21,469,347.45 is: 32,204,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,005.85 : 104,976,008.78 = 21,469,347.45 : x
  2. Step 2: Convert to fraction form
    69,984,005.85/104,976,008.78 = 21,469,347.45/x
  3. Step 3: Cross multiply
    69,984,005.85x = 104,976,008.78 × 21,469,347.45
  4. Step 4: Simplify right side
    69,984,005.85x = 2,253,766,406,304,724
  5. Step 5: Solve for x
    x = 2,253,766,406,304,724/69,984,005.85
  6. Step 6: Final answer
    x = 32,204,021.18

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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.