Home / 54,555,880.37-81,844,601.09-20,012,602.88

Finding the Fourth Proportional to 54,555,880.37, 81,844,601.09 and 20,012,602.88

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Solution

The fourth proportional to 54,555,880.37, 81,844,601.09 and 20,012,602.88 is: 30,022,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555,880.37 : 81,844,601.09 = 20,012,602.88 : x
  2. Step 2: Convert to fraction form
    54,555,880.37/81,844,601.09 = 20,012,602.88/x
  3. Step 3: Cross multiply
    54,555,880.37x = 81,844,601.09 × 20,012,602.88
  4. Step 4: Simplify right side
    54,555,880.37x = 1,637,923,499,590,733.50
  5. Step 5: Solve for x
    x = 1,637,923,499,590,733.50/54,555,880.37
  6. Step 6: Final answer
    x = 30,022,858.92

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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.