Home / 258,450,324.23-356,662,556.34-140,978,214.47

Finding the Fourth Proportional to 258,450,324.23, 356,662,556.34 and 140,978,214.47

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Solution

The fourth proportional to 258,450,324.23, 356,662,556.34 and 140,978,214.47 is: 194,550,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,450,324.23 : 356,662,556.34 = 140,978,214.47 : x
  2. Step 2: Convert to fraction form
    258,450,324.23/356,662,556.34 = 140,978,214.47/x
  3. Step 3: Cross multiply
    258,450,324.23x = 356,662,556.34 × 140,978,214.47
  4. Step 4: Simplify right side
    258,450,324.23x = 50,281,650,361,118,976
  5. Step 5: Solve for x
    x = 50,281,650,361,118,976/258,450,324.23
  6. Step 6: Final answer
    x = 194,550,540.85

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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.