Home / 295,489,348.20-443,234,022.30-142,434,340.20

Finding the Fourth Proportional to 295,489,348.20, 443,234,022.30 and 142,434,340.20

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Solution

The fourth proportional to 295,489,348.20, 443,234,022.30 and 142,434,340.20 is: 213,651,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,348.20 : 443,234,022.30 = 142,434,340.20 : x
  2. Step 2: Convert to fraction form
    295,489,348.20/443,234,022.30 = 142,434,340.20/x
  3. Step 3: Cross multiply
    295,489,348.20x = 443,234,022.30 × 142,434,340.20
  4. Step 4: Simplify right side
    295,489,348.20x = 63,131,745,520,492,584
  5. Step 5: Solve for x
    x = 63,131,745,520,492,584/295,489,348.20
  6. Step 6: Final answer
    x = 213,651,510.30

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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.