Home / 79,965,100.73-119,947,651.10-19,380,826.73

Finding the Fourth Proportional to 79,965,100.73, 119,947,651.10 and 19,380,826.73

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Solution

The fourth proportional to 79,965,100.73, 119,947,651.10 and 19,380,826.73 is: 29,071,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,965,100.73 : 119,947,651.10 = 19,380,826.73 : x
  2. Step 2: Convert to fraction form
    79,965,100.73/119,947,651.10 = 19,380,826.73/x
  3. Step 3: Cross multiply
    79,965,100.73x = 119,947,651.10 × 19,380,826.73
  4. Step 4: Simplify right side
    79,965,100.73x = 2,324,684,642,915,237
  5. Step 5: Solve for x
    x = 2,324,684,642,915,237/79,965,100.73
  6. Step 6: Final answer
    x = 29,071,240.10

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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.