Home / 269,511,491.67-371,926,979.30-145,752,168.80

Finding the Fourth Proportional to 269,511,491.67, 371,926,979.30 and 145,752,168.80

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Solution

The fourth proportional to 269,511,491.67, 371,926,979.30 and 145,752,168.80 is: 201,138,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,511,491.67 : 371,926,979.30 = 145,752,168.80 : x
  2. Step 2: Convert to fraction form
    269,511,491.67/371,926,979.30 = 145,752,168.80/x
  3. Step 3: Cross multiply
    269,511,491.67x = 371,926,979.30 × 145,752,168.80
  4. Step 4: Simplify right side
    269,511,491.67x = 54,209,163,865,619,304
  5. Step 5: Solve for x
    x = 54,209,163,865,619,304/269,511,491.67
  6. Step 6: Final answer
    x = 201,138,599.06

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Why These Related Problems?

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