Home / 79,964,717.44-119,947,077.12-19,380,443.36

Finding the Fourth Proportional to 79,964,717.44, 119,947,077.12 and 19,380,443.36

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Solution

The fourth proportional to 79,964,717.44, 119,947,077.12 and 19,380,443.36 is: 29,070,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964,717.44 : 119,947,077.12 = 19,380,443.36 : x
  2. Step 2: Convert to fraction form
    79,964,717.44/119,947,077.12 = 19,380,443.36/x
  3. Step 3: Cross multiply
    79,964,717.44x = 119,947,077.12 × 19,380,443.36
  4. Step 4: Simplify right side
    79,964,717.44x = 2,324,627,534,321,712
  5. Step 5: Solve for x
    x = 2,324,627,534,321,712/79,964,717.44
  6. Step 6: Final answer
    x = 29,070,665.27

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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.