Home / 196,238,334.96-270,814,678.90-108,138,007.76

Finding the Fourth Proportional to 196,238,334.96, 270,814,678.90 and 108,138,007.76

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Solution

The fourth proportional to 196,238,334.96, 270,814,678.90 and 108,138,007.76 is: 149,233,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,238,334.96 : 270,814,678.90 = 108,138,007.76 : x
  2. Step 2: Convert to fraction form
    196,238,334.96/270,814,678.90 = 108,138,007.76/x
  3. Step 3: Cross multiply
    196,238,334.96x = 270,814,678.90 × 108,138,007.76
  4. Step 4: Simplify right side
    196,238,334.96x = 29,285,359,848,410,108
  5. Step 5: Solve for x
    x = 29,285,359,848,410,108/196,238,334.96
  6. Step 6: Final answer
    x = 149,233,633.96

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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.