Home / 219,951,418.42-330,215,471.31-147,492,427.42

Finding the Fourth Proportional to 219,951,418.42, 330,215,471.31 and 147,492,427.42

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Solution

The fourth proportional to 219,951,418.42, 330,215,471.31 and 147,492,427.42 is: 221,431,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,951,418.42 : 330,215,471.31 = 147,492,427.42 : x
  2. Step 2: Convert to fraction form
    219,951,418.42/330,215,471.31 = 147,492,427.42/x
  3. Step 3: Cross multiply
    219,951,418.42x = 330,215,471.31 × 147,492,427.42
  4. Step 4: Simplify right side
    219,951,418.42x = 48,704,281,435,151,264
  5. Step 5: Solve for x
    x = 48,704,281,435,151,264/219,951,418.42
  6. Step 6: Final answer
    x = 221,431,995.23

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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.