Home / 231,277,169.37-319,161,639.78-143,153,622.75

Finding the Fourth Proportional to 231,277,169.37, 319,161,639.78 and 143,153,622.75

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Solution

The fourth proportional to 231,277,169.37, 319,161,639.78 and 143,153,622.75 is: 197,551,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,277,169.37 : 319,161,639.78 = 143,153,622.75 : x
  2. Step 2: Convert to fraction form
    231,277,169.37/319,161,639.78 = 143,153,622.75/x
  3. Step 3: Cross multiply
    231,277,169.37x = 319,161,639.78 × 143,153,622.75
  4. Step 4: Simplify right side
    231,277,169.37x = 45,689,144,977,337,512
  5. Step 5: Solve for x
    x = 45,689,144,977,337,512/231,277,169.37
  6. Step 6: Final answer
    x = 197,551,470.83

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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.