Home / 60,505,925.80-90,767,183.10-20,112,197.80

Finding the Fourth Proportional to 60,505,925.80, 90,767,183.10 and 20,112,197.80

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Solution

The fourth proportional to 60,505,925.80, 90,767,183.10 and 20,112,197.80 is: 30,171,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,505,925.80 : 90,767,183.10 = 20,112,197.80 : x
  2. Step 2: Convert to fraction form
    60,505,925.80/90,767,183.10 = 20,112,197.80/x
  3. Step 3: Cross multiply
    60,505,925.80x = 90,767,183.10 × 20,112,197.80
  4. Step 4: Simplify right side
    60,505,925.80x = 1,825,527,540,256,017.25
  5. Step 5: Solve for x
    x = 1,825,527,540,256,017.25/60,505,925.80
  6. Step 6: Final answer
    x = 30,171,053.76

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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.