Home / 238,875,182.53-329,581,135.10-154,066,415.31

Finding the Fourth Proportional to 238,875,182.53, 329,581,135.10 and 154,066,415.31

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Solution

The fourth proportional to 238,875,182.53, 329,581,135.10 and 154,066,415.31 is: 212,568,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,875,182.53 : 329,581,135.10 = 154,066,415.31 : x
  2. Step 2: Convert to fraction form
    238,875,182.53/329,581,135.10 = 154,066,415.31/x
  3. Step 3: Cross multiply
    238,875,182.53x = 329,581,135.10 × 154,066,415.31
  4. Step 4: Simplify right side
    238,875,182.53x = 50,777,384,039,042,992
  5. Step 5: Solve for x
    x = 50,777,384,039,042,992/238,875,182.53
  6. Step 6: Final answer
    x = 212,568,687.55

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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.