Home / 196,237,018.91-270,818,976.94-108,130,909.97

Finding the Fourth Proportional to 196,237,018.91, 270,818,976.94 and 108,130,909.97

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Solution

The fourth proportional to 196,237,018.91, 270,818,976.94 and 108,130,909.97 is: 149,227,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,237,018.91 : 270,818,976.94 = 108,130,909.97 : x
  2. Step 2: Convert to fraction form
    196,237,018.91/270,818,976.94 = 108,130,909.97/x
  3. Step 3: Cross multiply
    196,237,018.91x = 270,818,976.94 × 108,130,909.97
  4. Step 4: Simplify right side
    196,237,018.91x = 29,283,902,414,073,364
  5. Step 5: Solve for x
    x = 29,283,902,414,073,364/196,237,018.91
  6. Step 6: Final answer
    x = 149,227,207.88

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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.