Home / 252,289,603.20-378,434,404.80-228,103,132.80

Finding the Fourth Proportional to 252,289,603.20, 378,434,404.80 and 228,103,132.80

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Solution

The fourth proportional to 252,289,603.20, 378,434,404.80 and 228,103,132.80 is: 342,154,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,289,603.20 : 378,434,404.80 = 228,103,132.80 : x
  2. Step 2: Convert to fraction form
    252,289,603.20/378,434,404.80 = 228,103,132.80/x
  3. Step 3: Cross multiply
    252,289,603.20x = 378,434,404.80 × 228,103,132.80
  4. Step 4: Simplify right side
    252,289,603.20x = 86,322,073,294,183,360
  5. Step 5: Solve for x
    x = 86,322,073,294,183,360/252,289,603.20
  6. Step 6: Final answer
    x = 342,154,699.20

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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.