Home / 206,009,351.82-284,222,592.54-127,664,319.60

Finding the Fourth Proportional to 206,009,351.82, 284,222,592.54 and 127,664,319.60

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Solution

The fourth proportional to 206,009,351.82, 284,222,592.54 and 127,664,319.60 is: 176,133,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,009,351.82 : 284,222,592.54 = 127,664,319.60 : x
  2. Step 2: Convert to fraction form
    206,009,351.82/284,222,592.54 = 127,664,319.60/x
  3. Step 3: Cross multiply
    206,009,351.82x = 284,222,592.54 × 127,664,319.60
  4. Step 4: Simplify right side
    206,009,351.82x = 36,285,083,891,567,136
  5. Step 5: Solve for x
    x = 36,285,083,891,567,136/206,009,351.82
  6. Step 6: Final answer
    x = 176,133,187.99

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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.