Home / 55,171,906.80-82,764,730.62-18,777,500.34

Finding the Fourth Proportional to 55,171,906.80, 82,764,730.62 and 18,777,500.34

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Solution

The fourth proportional to 55,171,906.80, 82,764,730.62 and 18,777,500.34 is: 28,168,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171,906.80 : 82,764,730.62 = 18,777,500.34 : x
  2. Step 2: Convert to fraction form
    55,171,906.80/82,764,730.62 = 18,777,500.34/x
  3. Step 3: Cross multiply
    55,171,906.80x = 82,764,730.62 × 18,777,500.34
  4. Step 4: Simplify right side
    55,171,906.80x = 1,554,114,757,357,058.50
  5. Step 5: Solve for x
    x = 1,554,114,757,357,058.50/55,171,906.80
  6. Step 6: Final answer
    x = 28,168,588.83

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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.