Home / 204,328,561.08-281,979,392.30-111,515,021.88

Finding the Fourth Proportional to 204,328,561.08, 281,979,392.30 and 111,515,021.88

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Solution

The fourth proportional to 204,328,561.08, 281,979,392.30 and 111,515,021.88 is: 153,893,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,328,561.08 : 281,979,392.30 = 111,515,021.88 : x
  2. Step 2: Convert to fraction form
    204,328,561.08/281,979,392.30 = 111,515,021.88/x
  3. Step 3: Cross multiply
    204,328,561.08x = 281,979,392.30 × 111,515,021.88
  4. Step 4: Simplify right side
    204,328,561.08x = 31,444,938,102,043,604
  5. Step 5: Solve for x
    x = 31,444,938,102,043,604/204,328,561.08
  6. Step 6: Final answer
    x = 153,893,992.77

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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.