Home / 245,608,206.32-338,969,046.17-139,787,351.82

Finding the Fourth Proportional to 245,608,206.32, 338,969,046.17 and 139,787,351.82

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Solution

The fourth proportional to 245,608,206.32, 338,969,046.17 and 139,787,351.82 is: 192,923,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,206.32 : 338,969,046.17 = 139,787,351.82 : x
  2. Step 2: Convert to fraction form
    245,608,206.32/338,969,046.17 = 139,787,351.82/x
  3. Step 3: Cross multiply
    245,608,206.32x = 338,969,046.17 × 139,787,351.82
  4. Step 4: Simplify right side
    245,608,206.32x = 47,383,585,313,405,080
  5. Step 5: Solve for x
    x = 47,383,585,313,405,080/245,608,206.32
  6. Step 6: Final answer
    x = 192,923,461.41

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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.