Home / 100,393,399.06-150,597,016.43-42,042,325.97

Finding the Fourth Proportional to 100,393,399.06, 150,597,016.43 and 42,042,325.97

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Solution

The fourth proportional to 100,393,399.06, 150,597,016.43 and 42,042,325.97 is: 63,066,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,393,399.06 : 150,597,016.43 = 42,042,325.97 : x
  2. Step 2: Convert to fraction form
    100,393,399.06/150,597,016.43 = 42,042,325.97/x
  3. Step 3: Cross multiply
    100,393,399.06x = 150,597,016.43 × 42,042,325.97
  4. Step 4: Simplify right side
    100,393,399.06x = 6,331,448,855,025,787
  5. Step 5: Solve for x
    x = 6,331,448,855,025,787/100,393,399.06
  6. Step 6: Final answer
    x = 63,066,385.98

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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.