Home / 199,347,481.20-299,021,221.80-148,329,145.20

Finding the Fourth Proportional to 199,347,481.20, 299,021,221.80 and 148,329,145.20

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Solution

The fourth proportional to 199,347,481.20, 299,021,221.80 and 148,329,145.20 is: 222,493,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,347,481.20 : 299,021,221.80 = 148,329,145.20 : x
  2. Step 2: Convert to fraction form
    199,347,481.20/299,021,221.80 = 148,329,145.20/x
  3. Step 3: Cross multiply
    199,347,481.20x = 299,021,221.80 × 148,329,145.20
  4. Step 4: Simplify right side
    199,347,481.20x = 44,353,562,226,253,600
  5. Step 5: Solve for x
    x = 44,353,562,226,253,600/199,347,481.20
  6. Step 6: Final answer
    x = 222,493,717.80

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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.