Home / 239,508,120.96-330,519,283.52-139,045,880.96

Finding the Fourth Proportional to 239,508,120.96, 330,519,283.52 and 139,045,880.96

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Solution

The fourth proportional to 239,508,120.96, 330,519,283.52 and 139,045,880.96 is: 191,882,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,508,120.96 : 330,519,283.52 = 139,045,880.96 : x
  2. Step 2: Convert to fraction form
    239,508,120.96/330,519,283.52 = 139,045,880.96/x
  3. Step 3: Cross multiply
    239,508,120.96x = 330,519,283.52 × 139,045,880.96
  4. Step 4: Simplify right side
    239,508,120.96x = 45,957,344,951,306,408
  5. Step 5: Solve for x
    x = 45,957,344,951,306,408/239,508,120.96
  6. Step 6: Final answer
    x = 191,882,199.10

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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.