Home / 171,072,000.60-256,608,000.90-158,978,765.40

Finding the Fourth Proportional to 171,072,000.60, 256,608,000.90 and 158,978,765.40

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Solution

The fourth proportional to 171,072,000.60, 256,608,000.90 and 158,978,765.40 is: 238,468,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,000.60 : 256,608,000.90 = 158,978,765.40 : x
  2. Step 2: Convert to fraction form
    171,072,000.60/256,608,000.90 = 158,978,765.40/x
  3. Step 3: Cross multiply
    171,072,000.60x = 256,608,000.90 × 158,978,765.40
  4. Step 4: Simplify right side
    171,072,000.60x = 40,795,223,174,844,088
  5. Step 5: Solve for x
    x = 40,795,223,174,844,088/171,072,000.60
  6. Step 6: Final answer
    x = 238,468,148.10

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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.