Home / 213,353,452.20-320,030,178.30-147,596,485.80

Finding the Fourth Proportional to 213,353,452.20, 320,030,178.30 and 147,596,485.80

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Solution

The fourth proportional to 213,353,452.20, 320,030,178.30 and 147,596,485.80 is: 221,394,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,353,452.20 : 320,030,178.30 = 147,596,485.80 : x
  2. Step 2: Convert to fraction form
    213,353,452.20/320,030,178.30 = 147,596,485.80/x
  3. Step 3: Cross multiply
    213,353,452.20x = 320,030,178.30 × 147,596,485.80
  4. Step 4: Simplify right side
    213,353,452.20x = 47,235,329,667,027,424
  5. Step 5: Solve for x
    x = 47,235,329,667,027,424/213,353,452.20
  6. Step 6: Final answer
    x = 221,394,728.70

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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.