Home / 79,965,512.70-119,948,273.94-19,381,238.70

Finding the Fourth Proportional to 79,965,512.70, 119,948,273.94 and 19,381,238.70

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Solution

The fourth proportional to 79,965,512.70, 119,948,273.94 and 19,381,238.70 is: 29,071,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,965,512.70 : 119,948,273.94 = 19,381,238.70 : x
  2. Step 2: Convert to fraction form
    79,965,512.70/119,948,273.94 = 19,381,238.70/x
  3. Step 3: Cross multiply
    79,965,512.70x = 119,948,273.94 × 19,381,238.70
  4. Step 4: Simplify right side
    79,965,512.70x = 2,324,746,128,884,129.50
  5. Step 5: Solve for x
    x = 2,324,746,128,884,129.50/79,965,512.70
  6. Step 6: Final answer
    x = 29,071,859.24

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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.