Home / 322,556,155.20-483,835,982.40-80,219,059.20

Finding the Fourth Proportional to 322,556,155.20, 483,835,982.40 and 80,219,059.20

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Solution

The fourth proportional to 322,556,155.20, 483,835,982.40 and 80,219,059.20 is: 120,329,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,556,155.20 : 483,835,982.40 = 80,219,059.20 : x
  2. Step 2: Convert to fraction form
    322,556,155.20/483,835,982.40 = 80,219,059.20/x
  3. Step 3: Cross multiply
    322,556,155.20x = 483,835,982.40 × 80,219,059.20
  4. Step 4: Simplify right side
    322,556,155.20x = 38,812,867,315,235,760
  5. Step 5: Solve for x
    x = 38,812,867,315,235,760/322,556,155.20
  6. Step 6: Final answer
    x = 120,329,023.92

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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.