Home / 77,986,742.22-107,625,064.37-43,179,430.73

Finding the Fourth Proportional to 77,986,742.22, 107,625,064.37 and 43,179,430.73

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Solution

The fourth proportional to 77,986,742.22, 107,625,064.37 and 43,179,430.73 is: 59,589,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,986,742.22 : 107,625,064.37 = 43,179,430.73 : x
  2. Step 2: Convert to fraction form
    77,986,742.22/107,625,064.37 = 43,179,430.73/x
  3. Step 3: Cross multiply
    77,986,742.22x = 107,625,064.37 × 43,179,430.73
  4. Step 4: Simplify right side
    77,986,742.22x = 4,647,189,011,022,184
  5. Step 5: Solve for x
    x = 4,647,189,011,022,184/77,986,742.22
  6. Step 6: Final answer
    x = 59,589,474.81

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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.