Home / 248,062,403.31-372,149,662.34-82,065,518.75

Finding the Fourth Proportional to 248,062,403.31, 372,149,662.34 and 82,065,518.75

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Solution

The fourth proportional to 248,062,403.31, 372,149,662.34 and 82,065,518.75 is: 123,116,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062,403.31 : 372,149,662.34 = 82,065,518.75 : x
  2. Step 2: Convert to fraction form
    248,062,403.31/372,149,662.34 = 82,065,518.75/x
  3. Step 3: Cross multiply
    248,062,403.31x = 372,149,662.34 × 82,065,518.75
  4. Step 4: Simplify right side
    248,062,403.31x = 30,540,655,093,704,972
  5. Step 5: Solve for x
    x = 30,540,655,093,704,972/248,062,403.31
  6. Step 6: Final answer
    x = 123,116,823.37

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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.