Home / 171,072,057.60-256,608,086.40-125,722,425.60

Finding the Fourth Proportional to 171,072,057.60, 256,608,086.40 and 125,722,425.60

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Solution

The fourth proportional to 171,072,057.60, 256,608,086.40 and 125,722,425.60 is: 188,583,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,057.60 : 256,608,086.40 = 125,722,425.60 : x
  2. Step 2: Convert to fraction form
    171,072,057.60/256,608,086.40 = 125,722,425.60/x
  3. Step 3: Cross multiply
    171,072,057.60x = 256,608,086.40 × 125,722,425.60
  4. Step 4: Simplify right side
    171,072,057.60x = 32,261,391,050,782,372
  5. Step 5: Solve for x
    x = 32,261,391,050,782,372/171,072,057.60
  6. Step 6: Final answer
    x = 188,583,638.40

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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.