Home / 196,664,383.28-271,396,903.24-108,558,438.36

Finding the Fourth Proportional to 196,664,383.28, 271,396,903.24 and 108,558,438.36

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Solution

The fourth proportional to 196,664,383.28, 271,396,903.24 and 108,558,438.36 is: 149,810,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,664,383.28 : 271,396,903.24 = 108,558,438.36 : x
  2. Step 2: Convert to fraction form
    196,664,383.28/271,396,903.24 = 108,558,438.36/x
  3. Step 3: Cross multiply
    196,664,383.28x = 271,396,903.24 × 108,558,438.36
  4. Step 4: Simplify right side
    196,664,383.28x = 29,462,423,991,474,424
  5. Step 5: Solve for x
    x = 29,462,423,991,474,424/196,664,383.28
  6. Step 6: Final answer
    x = 149,810,674.92

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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.