Home / 160,405,156.44-221,353,388.44-90,789,042.60

Finding the Fourth Proportional to 160,405,156.44, 221,353,388.44 and 90,789,042.60

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Solution

The fourth proportional to 160,405,156.44, 221,353,388.44 and 90,789,042.60 is: 125,285,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405,156.44 : 221,353,388.44 = 90,789,042.60 : x
  2. Step 2: Convert to fraction form
    160,405,156.44/221,353,388.44 = 90,789,042.60/x
  3. Step 3: Cross multiply
    160,405,156.44x = 221,353,388.44 × 90,789,042.60
  4. Step 4: Simplify right side
    160,405,156.44x = 20,096,462,212,733,508
  5. Step 5: Solve for x
    x = 20,096,462,212,733,508/160,405,156.44
  6. Step 6: Final answer
    x = 125,285,637.06

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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.