Home / 206,247,468.38-285,370,978.22-179,840,886.29

Finding the Fourth Proportional to 206,247,468.38, 285,370,978.22 and 179,840,886.29

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Solution

The fourth proportional to 206,247,468.38, 285,370,978.22 and 179,840,886.29 is: 248,833,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,247,468.38 : 285,370,978.22 = 179,840,886.29 : x
  2. Step 2: Convert to fraction form
    206,247,468.38/285,370,978.22 = 179,840,886.29/x
  3. Step 3: Cross multiply
    206,247,468.38x = 285,370,978.22 × 179,840,886.29
  4. Step 4: Simplify right side
    206,247,468.38x = 51,321,369,642,203,024
  5. Step 5: Solve for x
    x = 51,321,369,642,203,024/206,247,468.38
  6. Step 6: Final answer
    x = 248,833,937.43

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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.