Home / 274,560,571-378,900,987.12-161,537,952.22

Finding the Fourth Proportional to 274,560,571, 378,900,987.12 and 161,537,952.22

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Solution

The fourth proportional to 274,560,571, 378,900,987.12 and 161,537,952.22 is: 222,926,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,560,571 : 378,900,987.12 = 161,537,952.22 : x
  2. Step 2: Convert to fraction form
    274,560,571/378,900,987.12 = 161,537,952.22/x
  3. Step 3: Cross multiply
    274,560,571x = 378,900,987.12 × 161,537,952.22
  4. Step 4: Simplify right side
    274,560,571x = 61,206,889,553,501,392
  5. Step 5: Solve for x
    x = 61,206,889,553,501,392/274,560,571
  6. Step 6: Final answer
    x = 222,926,727.35

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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.