Home / 118,380,007.20-177,570,010.80-109,310,080.80

Finding the Fourth Proportional to 118,380,007.20, 177,570,010.80 and 109,310,080.80

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Solution

The fourth proportional to 118,380,007.20, 177,570,010.80 and 109,310,080.80 is: 163,965,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,380,007.20 : 177,570,010.80 = 109,310,080.80 : x
  2. Step 2: Convert to fraction form
    118,380,007.20/177,570,010.80 = 109,310,080.80/x
  3. Step 3: Cross multiply
    118,380,007.20x = 177,570,010.80 × 109,310,080.80
  4. Step 4: Simplify right side
    118,380,007.20x = 19,410,192,228,204,872
  5. Step 5: Solve for x
    x = 19,410,192,228,204,872/118,380,007.20
  6. Step 6: Final answer
    x = 163,965,121.20

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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.