Home / 284,108,906.30-426,163,359.45-131,053,898.30

Finding the Fourth Proportional to 284,108,906.30, 426,163,359.45 and 131,053,898.30

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Solution

The fourth proportional to 284,108,906.30, 426,163,359.45 and 131,053,898.30 is: 196,580,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,108,906.30 : 426,163,359.45 = 131,053,898.30 : x
  2. Step 2: Convert to fraction form
    284,108,906.30/426,163,359.45 = 131,053,898.30/x
  3. Step 3: Cross multiply
    284,108,906.30x = 426,163,359.45 × 131,053,898.30
  4. Step 4: Simplify right side
    284,108,906.30x = 55,850,369,568,546,640
  5. Step 5: Solve for x
    x = 55,850,369,568,546,640/284,108,906.30
  6. Step 6: Final answer
    x = 196,580,847.45

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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.