Home / 196,238,333.09-270,814,676.31-108,138,005.88

Finding the Fourth Proportional to 196,238,333.09, 270,814,676.31 and 108,138,005.88

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Solution

The fourth proportional to 196,238,333.09, 270,814,676.31 and 108,138,005.88 is: 149,233,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,238,333.09 : 270,814,676.31 = 108,138,005.88 : x
  2. Step 2: Convert to fraction form
    196,238,333.09/270,814,676.31 = 108,138,005.88/x
  3. Step 3: Cross multiply
    196,238,333.09x = 270,814,676.31 × 108,138,005.88
  4. Step 4: Simplify right side
    196,238,333.09x = 29,285,359,059,201,076
  5. Step 5: Solve for x
    x = 29,285,359,059,201,076/196,238,333.09
  6. Step 6: Final answer
    x = 149,233,631.36

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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.