Home / 72,239,907.10-108,536,807.85-54,324,003.10

Finding the Fourth Proportional to 72,239,907.10, 108,536,807.85 and 54,324,003.10

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Solution

The fourth proportional to 72,239,907.10, 108,536,807.85 and 54,324,003.10 is: 81,619,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,239,907.10 : 108,536,807.85 = 54,324,003.10 : x
  2. Step 2: Convert to fraction form
    72,239,907.10/108,536,807.85 = 54,324,003.10/x
  3. Step 3: Cross multiply
    72,239,907.10x = 108,536,807.85 × 54,324,003.10
  4. Step 4: Simplify right side
    72,239,907.10x = 5,896,153,886,107,504
  5. Step 5: Solve for x
    x = 5,896,153,886,107,504/72,239,907.10
  6. Step 6: Final answer
    x = 81,619,067.95

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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.