Home / 275,395,403.76-380,046,556.44-149,949,083.76

Finding the Fourth Proportional to 275,395,403.76, 380,046,556.44 and 149,949,083.76

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Solution

The fourth proportional to 275,395,403.76, 380,046,556.44 and 149,949,083.76 is: 206,930,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,395,403.76 : 380,046,556.44 = 149,949,083.76 : x
  2. Step 2: Convert to fraction form
    275,395,403.76/380,046,556.44 = 149,949,083.76/x
  3. Step 3: Cross multiply
    275,395,403.76x = 380,046,556.44 × 149,949,083.76
  4. Step 4: Simplify right side
    275,395,403.76x = 56,987,632,924,321,120
  5. Step 5: Solve for x
    x = 56,987,632,924,321,120/275,395,403.76
  6. Step 6: Final answer
    x = 206,930,225.22

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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.