Home / 171,072,015.60-256,608,023.40-158,978,780.40

Finding the Fourth Proportional to 171,072,015.60, 256,608,023.40 and 158,978,780.40

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Solution

The fourth proportional to 171,072,015.60, 256,608,023.40 and 158,978,780.40 is: 238,468,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,015.60 : 256,608,023.40 = 158,978,780.40 : x
  2. Step 2: Convert to fraction form
    171,072,015.60/256,608,023.40 = 158,978,780.40/x
  3. Step 3: Cross multiply
    171,072,015.60x = 256,608,023.40 × 158,978,780.40
  4. Step 4: Simplify right side
    171,072,015.60x = 40,795,230,600,986,664
  5. Step 5: Solve for x
    x = 40,795,230,600,986,664/171,072,015.60
  6. Step 6: Final answer
    x = 238,468,170.60

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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.