Home / 168,440,015.80-252,660,023.70-82,133,997.40

Finding the Fourth Proportional to 168,440,015.80, 252,660,023.70 and 82,133,997.40

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Solution

The fourth proportional to 168,440,015.80, 252,660,023.70 and 82,133,997.40 is: 123,200,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,440,015.80 : 252,660,023.70 = 82,133,997.40 : x
  2. Step 2: Convert to fraction form
    168,440,015.80/252,660,023.70 = 82,133,997.40/x
  3. Step 3: Cross multiply
    168,440,015.80x = 252,660,023.70 × 82,133,997.40
  4. Step 4: Simplify right side
    168,440,015.80x = 20,751,977,729,659,740
  5. Step 5: Solve for x
    x = 20,751,977,729,659,740/168,440,015.80
  6. Step 6: Final answer
    x = 123,200,996.10

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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.