Home / 80,201,176.20-120,301,764.30-19,616,902.20

Finding the Fourth Proportional to 80,201,176.20, 120,301,764.30 and 19,616,902.20

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Solution

The fourth proportional to 80,201,176.20, 120,301,764.30 and 19,616,902.20 is: 29,425,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,201,176.20 : 120,301,764.30 = 19,616,902.20 : x
  2. Step 2: Convert to fraction form
    80,201,176.20/120,301,764.30 = 19,616,902.20/x
  3. Step 3: Cross multiply
    80,201,176.20x = 120,301,764.30 × 19,616,902.20
  4. Step 4: Simplify right side
    80,201,176.20x = 2,359,947,944,760,551.50
  5. Step 5: Solve for x
    x = 2,359,947,944,760,551.50/80,201,176.20
  6. Step 6: Final answer
    x = 29,425,353.30

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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.