Home / 160,405,073.44-221,353,273.97-90,788,959.64

Finding the Fourth Proportional to 160,405,073.44, 221,353,273.97 and 90,788,959.64

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Solution

The fourth proportional to 160,405,073.44, 221,353,273.97 and 90,788,959.64 is: 125,285,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405,073.44 : 221,353,273.97 = 90,788,959.64 : x
  2. Step 2: Convert to fraction form
    160,405,073.44/221,353,273.97 = 90,788,959.64/x
  3. Step 3: Cross multiply
    160,405,073.44x = 221,353,273.97 × 90,788,959.64
  4. Step 4: Simplify right side
    160,405,073.44x = 20,096,433,456,644,192
  5. Step 5: Solve for x
    x = 20,096,433,456,644,192/160,405,073.44
  6. Step 6: Final answer
    x = 125,285,522.62

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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.