Home / 204,224,768.20-306,337,152.30-139,727,513.80

Finding the Fourth Proportional to 204,224,768.20, 306,337,152.30 and 139,727,513.80

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Solution

The fourth proportional to 204,224,768.20, 306,337,152.30 and 139,727,513.80 is: 209,591,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,224,768.20 : 306,337,152.30 = 139,727,513.80 : x
  2. Step 2: Convert to fraction form
    204,224,768.20/306,337,152.30 = 139,727,513.80/x
  3. Step 3: Cross multiply
    204,224,768.20x = 306,337,152.30 × 139,727,513.80
  4. Step 4: Simplify right side
    204,224,768.20x = 42,803,728,675,450,960
  5. Step 5: Solve for x
    x = 42,803,728,675,450,960/204,224,768.20
  6. Step 6: Final answer
    x = 209,591,270.70

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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.