Home / 245,608,264.68-338,969,126.46-139,787,408.80

Finding the Fourth Proportional to 245,608,264.68, 338,969,126.46 and 139,787,408.80

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Solution

The fourth proportional to 245,608,264.68, 338,969,126.46 and 139,787,408.80 is: 192,923,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,264.68 : 338,969,126.46 = 139,787,408.80 : x
  2. Step 2: Convert to fraction form
    245,608,264.68/338,969,126.46 = 139,787,408.80/x
  3. Step 3: Cross multiply
    245,608,264.68x = 338,969,126.46 × 139,787,408.80
  4. Step 4: Simplify right side
    245,608,264.68x = 47,383,615,851,042,920
  5. Step 5: Solve for x
    x = 47,383,615,851,042,920/245,608,264.68
  6. Step 6: Final answer
    x = 192,923,539.90

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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.