Home / 204,328,558.08-281,979,388.16-111,515,018.88

Finding the Fourth Proportional to 204,328,558.08, 281,979,388.16 and 111,515,018.88

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Solution

The fourth proportional to 204,328,558.08, 281,979,388.16 and 111,515,018.88 is: 153,893,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,328,558.08 : 281,979,388.16 = 111,515,018.88 : x
  2. Step 2: Convert to fraction form
    204,328,558.08/281,979,388.16 = 111,515,018.88/x
  3. Step 3: Cross multiply
    204,328,558.08x = 281,979,388.16 × 111,515,018.88
  4. Step 4: Simplify right side
    204,328,558.08x = 31,444,936,794,433,252
  5. Step 5: Solve for x
    x = 31,444,936,794,433,252/204,328,558.08
  6. Step 6: Final answer
    x = 153,893,988.63

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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.