Home / 129,028,035.20-193,542,052.80-33,289,923.20

Finding the Fourth Proportional to 129,028,035.20, 193,542,052.80 and 33,289,923.20

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Solution

The fourth proportional to 129,028,035.20, 193,542,052.80 and 33,289,923.20 is: 49,934,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028,035.20 : 193,542,052.80 = 33,289,923.20 : x
  2. Step 2: Convert to fraction form
    129,028,035.20/193,542,052.80 = 33,289,923.20/x
  3. Step 3: Cross multiply
    129,028,035.20x = 193,542,052.80 × 33,289,923.20
  4. Step 4: Simplify right side
    129,028,035.20x = 6,443,000,073,682,345
  5. Step 5: Solve for x
    x = 6,443,000,073,682,345/129,028,035.20
  6. Step 6: Final answer
    x = 49,934,884.80

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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.