Home / 45,492,142.20-68,238,213.30-28,273,453.80

Finding the Fourth Proportional to 45,492,142.20, 68,238,213.30 and 28,273,453.80

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Solution

The fourth proportional to 45,492,142.20, 68,238,213.30 and 28,273,453.80 is: 42,410,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,492,142.20 : 68,238,213.30 = 28,273,453.80 : x
  2. Step 2: Convert to fraction form
    45,492,142.20/68,238,213.30 = 28,273,453.80/x
  3. Step 3: Cross multiply
    45,492,142.20x = 68,238,213.30 × 28,273,453.80
  4. Step 4: Simplify right side
    45,492,142.20x = 1,929,329,971,132,095.50
  5. Step 5: Solve for x
    x = 1,929,329,971,132,095.50/45,492,142.20
  6. Step 6: Final answer
    x = 42,410,180.70

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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.