Home / 77,218,939.62-106,536,208.42-43,723,840.31

Finding the Fourth Proportional to 77,218,939.62, 106,536,208.42 and 43,723,840.31

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Solution

The fourth proportional to 77,218,939.62, 106,536,208.42 and 43,723,840.31 is: 60,324,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,218,939.62 : 106,536,208.42 = 43,723,840.31 : x
  2. Step 2: Convert to fraction form
    77,218,939.62/106,536,208.42 = 43,723,840.31/x
  3. Step 3: Cross multiply
    77,218,939.62x = 106,536,208.42 × 43,723,840.31
  4. Step 4: Simplify right side
    77,218,939.62x = 4,658,172,164,198,474
  5. Step 5: Solve for x
    x = 4,658,172,164,198,474/77,218,939.62
  6. Step 6: Final answer
    x = 60,324,218.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.