Home / 77,691,049.62-107,213,659.14-42,883,747.44

Finding the Fourth Proportional to 77,691,049.62, 107,213,659.14 and 42,883,747.44

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Solution

The fourth proportional to 77,691,049.62, 107,213,659.14 and 42,883,747.44 is: 59,179,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,691,049.62 : 107,213,659.14 = 42,883,747.44 : x
  2. Step 2: Convert to fraction form
    77,691,049.62/107,213,659.14 = 42,883,747.44/x
  3. Step 3: Cross multiply
    77,691,049.62x = 107,213,659.14 × 42,883,747.44
  4. Step 4: Simplify right side
    77,691,049.62x = 4,597,723,480,678,007
  5. Step 5: Solve for x
    x = 4,597,723,480,678,007/77,691,049.62
  6. Step 6: Final answer
    x = 59,179,577.35

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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.