Home / 278,727,701.84-384,665,774.28-167,222,738.96

Finding the Fourth Proportional to 278,727,701.84, 384,665,774.28 and 167,222,738.96

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Solution

The fourth proportional to 278,727,701.84, 384,665,774.28 and 167,222,738.96 is: 230,780,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,727,701.84 : 384,665,774.28 = 167,222,738.96 : x
  2. Step 2: Convert to fraction form
    278,727,701.84/384,665,774.28 = 167,222,738.96/x
  3. Step 3: Cross multiply
    278,727,701.84x = 384,665,774.28 × 167,222,738.96
  4. Step 4: Simplify right side
    278,727,701.84x = 64,324,864,359,270,720
  5. Step 5: Solve for x
    x = 64,324,864,359,270,720/278,727,701.84
  6. Step 6: Final answer
    x = 230,780,306.14

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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.