Home / 324,025,137.73-486,067,238.39-105,619,420.45

Finding the Fourth Proportional to 324,025,137.73, 486,067,238.39 and 105,619,420.45

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Solution

The fourth proportional to 324,025,137.73, 486,067,238.39 and 105,619,420.45 is: 158,438,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,025,137.73 : 486,067,238.39 = 105,619,420.45 : x
  2. Step 2: Convert to fraction form
    324,025,137.73/486,067,238.39 = 105,619,420.45/x
  3. Step 3: Cross multiply
    324,025,137.73x = 486,067,238.39 × 105,619,420.45
  4. Step 4: Simplify right side
    324,025,137.73x = 51,338,140,018,483,792
  5. Step 5: Solve for x
    x = 51,338,140,018,483,792/324,025,137.73
  6. Step 6: Final answer
    x = 158,438,756.88

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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.