Home / 171,072,028.80-256,608,043.20-153,753,321.60

Finding the Fourth Proportional to 171,072,028.80, 256,608,043.20 and 153,753,321.60

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Solution

The fourth proportional to 171,072,028.80, 256,608,043.20 and 153,753,321.60 is: 230,629,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,028.80 : 256,608,043.20 = 153,753,321.60 : x
  2. Step 2: Convert to fraction form
    171,072,028.80/256,608,043.20 = 153,753,321.60/x
  3. Step 3: Cross multiply
    171,072,028.80x = 256,608,043.20 × 153,753,321.60
  4. Step 4: Simplify right side
    171,072,028.80x = 39,454,338,991,276,288
  5. Step 5: Solve for x
    x = 39,454,338,991,276,288/171,072,028.80
  6. Step 6: Final answer
    x = 230,629,982.40

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1.5x scale

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.