Home / 235,757,452.32-353,689,192.44-71,981,507.88

Finding the Fourth Proportional to 235,757,452.32, 353,689,192.44 and 71,981,507.88

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Solution

The fourth proportional to 235,757,452.32, 353,689,192.44 and 71,981,507.88 is: 107,988,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,757,452.32 : 353,689,192.44 = 71,981,507.88 : x
  2. Step 2: Convert to fraction form
    235,757,452.32/353,689,192.44 = 71,981,507.88/x
  3. Step 3: Cross multiply
    235,757,452.32x = 353,689,192.44 × 71,981,507.88
  4. Step 4: Simplify right side
    235,757,452.32x = 25,459,081,392,690,696
  5. Step 5: Solve for x
    x = 25,459,081,392,690,696/235,757,452.32
  6. Step 6: Final answer
    x = 107,988,448.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.