Home / 79,965,108.63-119,947,662.90-19,380,834.63

Finding the Fourth Proportional to 79,965,108.63, 119,947,662.90 and 19,380,834.63

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Solution

The fourth proportional to 79,965,108.63, 119,947,662.90 and 19,380,834.63 is: 29,071,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,965,108.63 : 119,947,662.90 = 19,380,834.63 : x
  2. Step 2: Convert to fraction form
    79,965,108.63/119,947,662.90 = 19,380,834.63/x
  3. Step 3: Cross multiply
    79,965,108.63x = 119,947,662.90 × 19,380,834.63
  4. Step 4: Simplify right side
    79,965,108.63x = 2,324,685,818,919,886
  5. Step 5: Solve for x
    x = 2,324,685,818,919,886/79,965,108.63
  6. Step 6: Final answer
    x = 29,071,251.93

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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.