Home / 422,146,667.20-633,216,812.46-127,040,516.54

Finding the Fourth Proportional to 422,146,667.20, 633,216,812.46 and 127,040,516.54

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Solution

The fourth proportional to 422,146,667.20, 633,216,812.46 and 127,040,516.54 is: 190,559,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,146,667.20 : 633,216,812.46 = 127,040,516.54 : x
  2. Step 2: Convert to fraction form
    422,146,667.20/633,216,812.46 = 127,040,516.54/x
  3. Step 3: Cross multiply
    422,146,667.20x = 633,216,812.46 × 127,040,516.54
  4. Step 4: Simplify right side
    422,146,667.20x = 80,444,190,936,174,208
  5. Step 5: Solve for x
    x = 80,444,190,936,174,208/422,146,667.20
  6. Step 6: Final answer
    x = 190,559,815.31

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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.