Home / 300,722,531.49-414,976,209.21-166,767,357.78

Finding the Fourth Proportional to 300,722,531.49, 414,976,209.21 and 166,767,357.78

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Solution

The fourth proportional to 300,722,531.49, 414,976,209.21 and 166,767,357.78 is: 230,127,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,722,531.49 : 414,976,209.21 = 166,767,357.78 : x
  2. Step 2: Convert to fraction form
    300,722,531.49/414,976,209.21 = 166,767,357.78/x
  3. Step 3: Cross multiply
    300,722,531.49x = 414,976,209.21 × 166,767,357.78
  4. Step 4: Simplify right side
    300,722,531.49x = 69,204,485,951,512,200
  5. Step 5: Solve for x
    x = 69,204,485,951,512,200/300,722,531.49
  6. Step 6: Final answer
    x = 230,127,372.26

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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.