Home / 213,129,143.04-294,118,099.20-120,310,452.48

Finding the Fourth Proportional to 213,129,143.04, 294,118,099.20 and 120,310,452.48

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Solution

The fourth proportional to 213,129,143.04, 294,118,099.20 and 120,310,452.48 is: 166,028,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,129,143.04 : 294,118,099.20 = 120,310,452.48 : x
  2. Step 2: Convert to fraction form
    213,129,143.04/294,118,099.20 = 120,310,452.48/x
  3. Step 3: Cross multiply
    213,129,143.04x = 294,118,099.20 × 120,310,452.48
  4. Step 4: Simplify right side
    213,129,143.04x = 35,385,481,597,309,524
  5. Step 5: Solve for x
    x = 35,385,481,597,309,524/213,129,143.04
  6. Step 6: Final answer
    x = 166,028,357.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.