Home / 196,458,820.82-294,688,231.55-79,846,855.88

Finding the Fourth Proportional to 196,458,820.82, 294,688,231.55 and 79,846,855.88

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Solution

The fourth proportional to 196,458,820.82, 294,688,231.55 and 79,846,855.88 is: 119,770,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,458,820.82 : 294,688,231.55 = 79,846,855.88 : x
  2. Step 2: Convert to fraction form
    196,458,820.82/294,688,231.55 = 79,846,855.88/x
  3. Step 3: Cross multiply
    196,458,820.82x = 294,688,231.55 × 79,846,855.88
  4. Step 4: Simplify right side
    196,458,820.82x = 23,529,928,753,705,684
  5. Step 5: Solve for x
    x = 23,529,928,753,705,684/196,458,820.82
  6. Step 6: Final answer
    x = 119,770,283.95

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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.