Home / 118,375,739.20-177,563,608.80-109,305,812.80

Finding the Fourth Proportional to 118,375,739.20, 177,563,608.80 and 109,305,812.80

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Solution

The fourth proportional to 118,375,739.20, 177,563,608.80 and 109,305,812.80 is: 163,958,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375,739.20 : 177,563,608.80 = 109,305,812.80 : x
  2. Step 2: Convert to fraction form
    118,375,739.20/177,563,608.80 = 109,305,812.80/x
  3. Step 3: Cross multiply
    118,375,739.20x = 177,563,608.80 × 109,305,812.80
  4. Step 4: Simplify right side
    118,375,739.20x = 19,408,734,583,585,232
  5. Step 5: Solve for x
    x = 19,408,734,583,585,232/118,375,739.20
  6. Step 6: Final answer
    x = 163,958,719.20

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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.