Home / 206,858,512.80-285,466,695.53-114,042,342.15

Finding the Fourth Proportional to 206,858,512.80, 285,466,695.53 and 114,042,342.15

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Solution

The fourth proportional to 206,858,512.80, 285,466,695.53 and 114,042,342.15 is: 157,379,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,858,512.80 : 285,466,695.53 = 114,042,342.15 : x
  2. Step 2: Convert to fraction form
    206,858,512.80/285,466,695.53 = 114,042,342.15/x
  3. Step 3: Cross multiply
    206,858,512.80x = 285,466,695.53 × 114,042,342.15
  4. Step 4: Simplify right side
    206,858,512.80x = 32,555,290,563,491,924
  5. Step 5: Solve for x
    x = 32,555,290,563,491,924/206,858,512.80
  6. Step 6: Final answer
    x = 157,379,506.03

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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.