Home / 77,986,611.06-107,624,885.40-43,179,301.24

Finding the Fourth Proportional to 77,986,611.06, 107,624,885.40 and 43,179,301.24

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Solution

The fourth proportional to 77,986,611.06, 107,624,885.40 and 43,179,301.24 is: 59,589,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,986,611.06 : 107,624,885.40 = 43,179,301.24 : x
  2. Step 2: Convert to fraction form
    77,986,611.06/107,624,885.40 = 43,179,301.24/x
  3. Step 3: Cross multiply
    77,986,611.06x = 107,624,885.40 × 43,179,301.24
  4. Step 4: Simplify right side
    77,986,611.06x = 4,647,167,347,607,078
  5. Step 5: Solve for x
    x = 4,647,167,347,607,078/77,986,611.06
  6. Step 6: Final answer
    x = 59,589,297.25

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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.