Home / 101,052,015.20-151,578,022.80-55,135,512.80

Finding the Fourth Proportional to 101,052,015.20, 151,578,022.80 and 55,135,512.80

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Solution

The fourth proportional to 101,052,015.20, 151,578,022.80 and 55,135,512.80 is: 82,703,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,052,015.20 : 151,578,022.80 = 55,135,512.80 : x
  2. Step 2: Convert to fraction form
    101,052,015.20/151,578,022.80 = 55,135,512.80/x
  3. Step 3: Cross multiply
    101,052,015.20x = 151,578,022.80 × 55,135,512.80
  4. Step 4: Simplify right side
    101,052,015.20x = 8,357,332,016,288,092
  5. Step 5: Solve for x
    x = 8,357,332,016,288,092/101,052,015.20
  6. Step 6: Final answer
    x = 82,703,269.20

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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.