Home / 196,687,005.01-271,428,468.88-108,581,123.88

Finding the Fourth Proportional to 196,687,005.01, 271,428,468.88 and 108,581,123.88

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Solution

The fourth proportional to 196,687,005.01, 271,428,468.88 and 108,581,123.88 is: 149,842,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,687,005.01 : 271,428,468.88 = 108,581,123.88 : x
  2. Step 2: Convert to fraction form
    196,687,005.01/271,428,468.88 = 108,581,123.88/x
  3. Step 3: Cross multiply
    196,687,005.01x = 271,428,468.88 × 108,581,123.88
  4. Step 4: Simplify right side
    196,687,005.01x = 29,472,008,204,018,004
  5. Step 5: Solve for x
    x = 29,472,008,204,018,004/196,687,005.01
  6. Step 6: Final answer
    x = 149,842,172.86

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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.