Home / 83,336,857.28-115,044,738.24-55,505,883.20

Finding the Fourth Proportional to 83,336,857.28, 115,044,738.24 and 55,505,883.20

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Solution

The fourth proportional to 83,336,857.28, 115,044,738.24 and 55,505,883.20 is: 76,624,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,336,857.28 : 115,044,738.24 = 55,505,883.20 : x
  2. Step 2: Convert to fraction form
    83,336,857.28/115,044,738.24 = 55,505,883.20/x
  3. Step 3: Cross multiply
    83,336,857.28x = 115,044,738.24 × 55,505,883.20
  4. Step 4: Simplify right side
    83,336,857.28x = 6,385,659,803,524,014
  5. Step 5: Solve for x
    x = 6,385,659,803,524,014/83,336,857.28
  6. Step 6: Final answer
    x = 76,624,677.39

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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.