Home / 231,916,819.28-348,041,200.43-84,364,093.97

Finding the Fourth Proportional to 231,916,819.28, 348,041,200.43 and 84,364,093.97

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Solution

The fourth proportional to 231,916,819.28, 348,041,200.43 and 84,364,093.97 is: 126,606,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,916,819.28 : 348,041,200.43 = 84,364,093.97 : x
  2. Step 2: Convert to fraction form
    231,916,819.28/348,041,200.43 = 84,364,093.97/x
  3. Step 3: Cross multiply
    231,916,819.28x = 348,041,200.43 × 84,364,093.97
  4. Step 4: Simplify right side
    231,916,819.28x = 29,362,180,540,123,604
  5. Step 5: Solve for x
    x = 29,362,180,540,123,604/231,916,819.28
  6. Step 6: Final answer
    x = 126,606,516.21

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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.