Home / 77,971,257.72-107,596,847.22-43,161,488.28

Finding the Fourth Proportional to 77,971,257.72, 107,596,847.22 and 43,161,488.28

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Solution

The fourth proportional to 77,971,257.72, 107,596,847.22 and 43,161,488.28 is: 59,560,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,971,257.72 : 107,596,847.22 = 43,161,488.28 : x
  2. Step 2: Convert to fraction form
    77,971,257.72/107,596,847.22 = 43,161,488.28/x
  3. Step 3: Cross multiply
    77,971,257.72x = 107,596,847.22 × 43,161,488.28
  4. Step 4: Simplify right side
    77,971,257.72x = 4,644,040,060,250,981
  5. Step 5: Solve for x
    x = 4,644,040,060,250,981/77,971,257.72
  6. Step 6: Final answer
    x = 59,560,922.78

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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.