Home / 275,062,403.36-412,644,632.88-90,842,644.64

Finding the Fourth Proportional to 275,062,403.36, 412,644,632.88 and 90,842,644.64

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Solution

The fourth proportional to 275,062,403.36, 412,644,632.88 and 90,842,644.64 is: 136,280,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,062,403.36 : 412,644,632.88 = 90,842,644.64 : x
  2. Step 2: Convert to fraction form
    275,062,403.36/412,644,632.88 = 90,842,644.64/x
  3. Step 3: Cross multiply
    275,062,403.36x = 412,644,632.88 × 90,842,644.64
  4. Step 4: Simplify right side
    275,062,403.36x = 37,485,729,747,321,096
  5. Step 5: Solve for x
    x = 37,485,729,747,321,096/275,062,403.36
  6. Step 6: Final answer
    x = 136,280,819.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.