Home / 77,971,259.22-107,596,849.29-43,161,489.78

Finding the Fourth Proportional to 77,971,259.22, 107,596,849.29 and 43,161,489.78

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Solution

The fourth proportional to 77,971,259.22, 107,596,849.29 and 43,161,489.78 is: 59,560,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,971,259.22 : 107,596,849.29 = 43,161,489.78 : x
  2. Step 2: Convert to fraction form
    77,971,259.22/107,596,849.29 = 43,161,489.78/x
  3. Step 3: Cross multiply
    77,971,259.22x = 107,596,849.29 × 43,161,489.78
  4. Step 4: Simplify right side
    77,971,259.22x = 4,644,040,310,990,536
  5. Step 5: Solve for x
    x = 4,644,040,310,990,536/77,971,259.22
  6. Step 6: Final answer
    x = 59,560,924.85

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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.