Home / 361,995,816.60-542,993,724.90-131,972,405.40

Finding the Fourth Proportional to 361,995,816.60, 542,993,724.90 and 131,972,405.40

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Solution

The fourth proportional to 361,995,816.60, 542,993,724.90 and 131,972,405.40 is: 197,958,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,995,816.60 : 542,993,724.90 = 131,972,405.40 : x
  2. Step 2: Convert to fraction form
    361,995,816.60/542,993,724.90 = 131,972,405.40/x
  3. Step 3: Cross multiply
    361,995,816.60x = 542,993,724.90 × 131,972,405.40
  4. Step 4: Simplify right side
    361,995,816.60x = 71,660,187,992,158,872
  5. Step 5: Solve for x
    x = 71,660,187,992,158,872/361,995,816.60
  6. Step 6: Final answer
    x = 197,958,608.10

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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.