Home / 79,760,679.48-119,641,019.22-19,176,406.20

Finding the Fourth Proportional to 79,760,679.48, 119,641,019.22 and 19,176,406.20

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Solution

The fourth proportional to 79,760,679.48, 119,641,019.22 and 19,176,406.20 is: 28,764,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,760,679.48 : 119,641,019.22 = 19,176,406.20 : x
  2. Step 2: Convert to fraction form
    79,760,679.48/119,641,019.22 = 19,176,406.20/x
  3. Step 3: Cross multiply
    79,760,679.48x = 119,641,019.22 × 19,176,406.20
  4. Step 4: Simplify right side
    79,760,679.48x = 2,294,284,782,744,727
  5. Step 5: Solve for x
    x = 2,294,284,782,744,727/79,760,679.48
  6. Step 6: Final answer
    x = 28,764,609.30

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Similar ratio
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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.