Home / 284,322,544.62-426,483,821.78-68,911,792.62

Finding the Fourth Proportional to 284,322,544.62, 426,483,821.78 and 68,911,792.62

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Solution

The fourth proportional to 284,322,544.62, 426,483,821.78 and 68,911,792.62 is: 103,367,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,322,544.62 : 426,483,821.78 = 68,911,792.62 : x
  2. Step 2: Convert to fraction form
    284,322,544.62/426,483,821.78 = 68,911,792.62/x
  3. Step 3: Cross multiply
    284,322,544.62x = 426,483,821.78 × 68,911,792.62
  4. Step 4: Simplify right side
    284,322,544.62x = 29,389,764,682,288,400
  5. Step 5: Solve for x
    x = 29,389,764,682,288,400/284,322,544.62
  6. Step 6: Final answer
    x = 103,367,690.11

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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.