Home / 78,835,035.36-108,002,190.84-75,887,610.24

Finding the Fourth Proportional to 78,835,035.36, 108,002,190.84 and 75,887,610.24

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Solution

The fourth proportional to 78,835,035.36, 108,002,190.84 and 75,887,610.24 is: 103,964,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,835,035.36 : 108,002,190.84 = 75,887,610.24 : x
  2. Step 2: Convert to fraction form
    78,835,035.36/108,002,190.84 = 75,887,610.24/x
  3. Step 3: Cross multiply
    78,835,035.36x = 108,002,190.84 × 75,887,610.24
  4. Step 4: Simplify right side
    78,835,035.36x = 8,196,028,163,532,018
  5. Step 5: Solve for x
    x = 8,196,028,163,532,018/78,835,035.36
  6. Step 6: Final answer
    x = 103,964,286.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.