Home / 278,727,708.84-384,665,783.94-167,222,745.96

Finding the Fourth Proportional to 278,727,708.84, 384,665,783.94 and 167,222,745.96

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Solution

The fourth proportional to 278,727,708.84, 384,665,783.94 and 167,222,745.96 is: 230,780,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,727,708.84 : 384,665,783.94 = 167,222,745.96 : x
  2. Step 2: Convert to fraction form
    278,727,708.84/384,665,783.94 = 167,222,745.96/x
  3. Step 3: Cross multiply
    278,727,708.84x = 384,665,783.94 × 167,222,745.96
  4. Step 4: Simplify right side
    278,727,708.84x = 64,324,868,667,302,872
  5. Step 5: Solve for x
    x = 64,324,868,667,302,872/278,727,708.84
  6. Step 6: Final answer
    x = 230,780,315.80

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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.