Home / 90,002,009.37-135,002,029.89-21,844,701.12

Finding the Fourth Proportional to 90,002,009.37, 135,002,029.89 and 21,844,701.12

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Solution

The fourth proportional to 90,002,009.37, 135,002,029.89 and 21,844,701.12 is: 32,766,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002,009.37 : 135,002,029.89 = 21,844,701.12 : x
  2. Step 2: Convert to fraction form
    90,002,009.37/135,002,029.89 = 21,844,701.12/x
  3. Step 3: Cross multiply
    90,002,009.37x = 135,002,029.89 × 21,844,701.12
  4. Step 4: Simplify right side
    90,002,009.37x = 2,949,078,993,540,356.50
  5. Step 5: Solve for x
    x = 2,949,078,993,540,356.50/90,002,009.37
  6. Step 6: Final answer
    x = 32,766,812.81

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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.