Home / 154,405,906.80-231,608,860.20-52,168,468.20

Finding the Fourth Proportional to 154,405,906.80, 231,608,860.20 and 52,168,468.20

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Solution

The fourth proportional to 154,405,906.80, 231,608,860.20 and 52,168,468.20 is: 78,252,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,405,906.80 : 231,608,860.20 = 52,168,468.20 : x
  2. Step 2: Convert to fraction form
    154,405,906.80/231,608,860.20 = 52,168,468.20/x
  3. Step 3: Cross multiply
    154,405,906.80x = 231,608,860.20 × 52,168,468.20
  4. Step 4: Simplify right side
    154,405,906.80x = 12,082,679,458,181,946
  5. Step 5: Solve for x
    x = 12,082,679,458,181,946/154,405,906.80
  6. Step 6: Final answer
    x = 78,252,702.30

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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.