Home / 206,408,879.66-284,780,127.96-117,086,102.52

Finding the Fourth Proportional to 206,408,879.66, 284,780,127.96 and 117,086,102.52

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Solution

The fourth proportional to 206,408,879.66, 284,780,127.96 and 117,086,102.52 is: 161,542,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,408,879.66 : 284,780,127.96 = 117,086,102.52 : x
  2. Step 2: Convert to fraction form
    206,408,879.66/284,780,127.96 = 117,086,102.52/x
  3. Step 3: Cross multiply
    206,408,879.66x = 284,780,127.96 × 117,086,102.52
  4. Step 4: Simplify right side
    206,408,879.66x = 33,343,795,257,983,276
  5. Step 5: Solve for x
    x = 33,343,795,257,983,276/206,408,879.66
  6. Step 6: Final answer
    x = 161,542,445.81

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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.