Home / 54,568,148.70-81,803,807.04-20,016,602.91

Finding the Fourth Proportional to 54,568,148.70, 81,803,807.04 and 20,016,602.91

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Solution

The fourth proportional to 54,568,148.70, 81,803,807.04 and 20,016,602.91 is: 30,007,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568,148.70 : 81,803,807.04 = 20,016,602.91 : x
  2. Step 2: Convert to fraction form
    54,568,148.70/81,803,807.04 = 20,016,602.91/x
  3. Step 3: Cross multiply
    54,568,148.70x = 81,803,807.04 × 20,016,602.91
  4. Step 4: Simplify right side
    54,568,148.70x = 1,637,434,322,045,942.75
  5. Step 5: Solve for x
    x = 1,637,434,322,045,942.75/54,568,148.70
  6. Step 6: Final answer
    x = 30,007,144.48

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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.