Home / 230,042,885.68-317,458,905.78-135,990,930.16

Finding the Fourth Proportional to 230,042,885.68, 317,458,905.78 and 135,990,930.16

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Solution

The fourth proportional to 230,042,885.68, 317,458,905.78 and 135,990,930.16 is: 187,667,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,042,885.68 : 317,458,905.78 = 135,990,930.16 : x
  2. Step 2: Convert to fraction form
    230,042,885.68/317,458,905.78 = 135,990,930.16/x
  3. Step 3: Cross multiply
    230,042,885.68x = 317,458,905.78 × 135,990,930.16
  4. Step 4: Simplify right side
    230,042,885.68x = 43,171,531,884,597,992
  5. Step 5: Solve for x
    x = 43,171,531,884,597,992/230,042,885.68
  6. Step 6: Final answer
    x = 187,667,320.19

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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.