Home / 79,331,713.92-118,994,371.47-40,469,313.39

Finding the Fourth Proportional to 79,331,713.92, 118,994,371.47 and 40,469,313.39

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Solution

The fourth proportional to 79,331,713.92, 118,994,371.47 and 40,469,313.39 is: 60,702,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331,713.92 : 118,994,371.47 = 40,469,313.39 : x
  2. Step 2: Convert to fraction form
    79,331,713.92/118,994,371.47 = 40,469,313.39/x
  3. Step 3: Cross multiply
    79,331,713.92x = 118,994,371.47 × 40,469,313.39
  4. Step 4: Simplify right side
    79,331,713.92x = 4,815,620,510,665,505
  5. Step 5: Solve for x
    x = 4,815,620,510,665,505/79,331,713.92
  6. Step 6: Final answer
    x = 60,702,337.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.