Home / 313,383,960-432,435,523.80-181,204,953.48

Finding the Fourth Proportional to 313,383,960, 432,435,523.80 and 181,204,953.48

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Solution

The fourth proportional to 313,383,960, 432,435,523.80 and 181,204,953.48 is: 250,042,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,383,960 : 432,435,523.80 = 181,204,953.48 : x
  2. Step 2: Convert to fraction form
    313,383,960/432,435,523.80 = 181,204,953.48/x
  3. Step 3: Cross multiply
    313,383,960x = 432,435,523.80 × 181,204,953.48
  4. Step 4: Simplify right side
    313,383,960x = 78,359,458,973,278,432
  5. Step 5: Solve for x
    x = 78,359,458,973,278,432/313,383,960
  6. Step 6: Final answer
    x = 250,042,979.14

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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.