Home / 177,150,156.80-265,512,658.80-90,844,138.40

Finding the Fourth Proportional to 177,150,156.80, 265,512,658.80 and 90,844,138.40

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Solution

The fourth proportional to 177,150,156.80, 265,512,658.80 and 90,844,138.40 is: 136,157,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,150,156.80 : 265,512,658.80 = 90,844,138.40 : x
  2. Step 2: Convert to fraction form
    177,150,156.80/265,512,658.80 = 90,844,138.40/x
  3. Step 3: Cross multiply
    177,150,156.80x = 265,512,658.80 × 90,844,138.40
  4. Step 4: Simplify right side
    177,150,156.80x = 24,120,268,722,979,180
  5. Step 5: Solve for x
    x = 24,120,268,722,979,180/177,150,156.80
  6. Step 6: Final answer
    x = 136,157,196.58

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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.