Home / 77,986,609.06-107,624,882.64-43,179,299.24

Finding the Fourth Proportional to 77,986,609.06, 107,624,882.64 and 43,179,299.24

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Solution

The fourth proportional to 77,986,609.06, 107,624,882.64 and 43,179,299.24 is: 59,589,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,986,609.06 : 107,624,882.64 = 43,179,299.24 : x
  2. Step 2: Convert to fraction form
    77,986,609.06/107,624,882.64 = 43,179,299.24/x
  3. Step 3: Cross multiply
    77,986,609.06x = 107,624,882.64 × 43,179,299.24
  4. Step 4: Simplify right side
    77,986,609.06x = 4,647,167,013,182,441
  5. Step 5: Solve for x
    x = 4,647,167,013,182,441/77,986,609.06
  6. Step 6: Final answer
    x = 59,589,294.49

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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.