Home / 219,902,850.40-329,770,294.80-66,497,922.40

Finding the Fourth Proportional to 219,902,850.40, 329,770,294.80 and 66,497,922.40

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Solution

The fourth proportional to 219,902,850.40, 329,770,294.80 and 66,497,922.40 is: 99,721,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,902,850.40 : 329,770,294.80 = 66,497,922.40 : x
  2. Step 2: Convert to fraction form
    219,902,850.40/329,770,294.80 = 66,497,922.40/x
  3. Step 3: Cross multiply
    219,902,850.40x = 329,770,294.80 × 66,497,922.40
  4. Step 4: Simplify right side
    219,902,850.40x = 21,929,039,473,435,524
  5. Step 5: Solve for x
    x = 21,929,039,473,435,524/219,902,850.40
  6. Step 6: Final answer
    x = 99,721,488.07

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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.