Home / 284,328,028.80-426,492,043.20-131,273,020.80

Finding the Fourth Proportional to 284,328,028.80, 426,492,043.20 and 131,273,020.80

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Solution

The fourth proportional to 284,328,028.80, 426,492,043.20 and 131,273,020.80 is: 196,909,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,028.80 : 426,492,043.20 = 131,273,020.80 : x
  2. Step 2: Convert to fraction form
    284,328,028.80/426,492,043.20 = 131,273,020.80/x
  3. Step 3: Cross multiply
    284,328,028.80x = 426,492,043.20 × 131,273,020.80
  4. Step 4: Simplify right side
    284,328,028.80x = 55,986,898,858,028,096
  5. Step 5: Solve for x
    x = 55,986,898,858,028,096/284,328,028.80
  6. Step 6: Final answer
    x = 196,909,531.20

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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.