Home / 151,942,555.84-209,680,089.33-82,328,213.65

Finding the Fourth Proportional to 151,942,555.84, 209,680,089.33 and 82,328,213.65

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Solution

The fourth proportional to 151,942,555.84, 209,680,089.33 and 82,328,213.65 is: 113,612,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,942,555.84 : 209,680,089.33 = 82,328,213.65 : x
  2. Step 2: Convert to fraction form
    151,942,555.84/209,680,089.33 = 82,328,213.65/x
  3. Step 3: Cross multiply
    151,942,555.84x = 209,680,089.33 × 82,328,213.65
  4. Step 4: Simplify right side
    151,942,555.84x = 17,262,587,192,511,328
  5. Step 5: Solve for x
    x = 17,262,587,192,511,328/151,942,555.84
  6. Step 6: Final answer
    x = 113,612,589.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.