Home / 198,277,815.48-273,509,388.90-123,809,087.64

Finding the Fourth Proportional to 198,277,815.48, 273,509,388.90 and 123,809,087.64

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Solution

The fourth proportional to 198,277,815.48, 273,509,388.90 and 123,809,087.64 is: 170,785,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,277,815.48 : 273,509,388.90 = 123,809,087.64 : x
  2. Step 2: Convert to fraction form
    198,277,815.48/273,509,388.90 = 123,809,087.64/x
  3. Step 3: Cross multiply
    198,277,815.48x = 273,509,388.90 × 123,809,087.64
  4. Step 4: Simplify right side
    198,277,815.48x = 33,862,947,900,682,940
  5. Step 5: Solve for x
    x = 33,862,947,900,682,940/198,277,815.48
  6. Step 6: Final answer
    x = 170,785,359.01

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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.