Home / 165,815,529.20-248,723,293.80-131,178,114.80

Finding the Fourth Proportional to 165,815,529.20, 248,723,293.80 and 131,178,114.80

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Solution

The fourth proportional to 165,815,529.20, 248,723,293.80 and 131,178,114.80 is: 196,767,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815,529.20 : 248,723,293.80 = 131,178,114.80 : x
  2. Step 2: Convert to fraction form
    165,815,529.20/248,723,293.80 = 131,178,114.80/x
  3. Step 3: Cross multiply
    165,815,529.20x = 248,723,293.80 × 131,178,114.80
  4. Step 4: Simplify right side
    165,815,529.20x = 32,627,052,787,530,528
  5. Step 5: Solve for x
    x = 32,627,052,787,530,528/165,815,529.20
  6. Step 6: Final answer
    x = 196,767,172.20

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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.