Home / 245,608,207.83-338,969,048.25-139,787,353.32

Finding the Fourth Proportional to 245,608,207.83, 338,969,048.25 and 139,787,353.32

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Solution

The fourth proportional to 245,608,207.83, 338,969,048.25 and 139,787,353.32 is: 192,923,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,207.83 : 338,969,048.25 = 139,787,353.32 : x
  2. Step 2: Convert to fraction form
    245,608,207.83/338,969,048.25 = 139,787,353.32/x
  3. Step 3: Cross multiply
    245,608,207.83x = 338,969,048.25 × 139,787,353.32
  4. Step 4: Simplify right side
    245,608,207.83x = 47,383,586,112,266,872
  5. Step 5: Solve for x
    x = 47,383,586,112,266,872/245,608,207.83
  6. Step 6: Final answer
    x = 192,923,463.47

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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.