Home / 149,288,770.20-223,933,155.30-84,718,688.70

Finding the Fourth Proportional to 149,288,770.20, 223,933,155.30 and 84,718,688.70

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Solution

The fourth proportional to 149,288,770.20, 223,933,155.30 and 84,718,688.70 is: 127,078,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288,770.20 : 223,933,155.30 = 84,718,688.70 : x
  2. Step 2: Convert to fraction form
    149,288,770.20/223,933,155.30 = 84,718,688.70/x
  3. Step 3: Cross multiply
    149,288,770.20x = 223,933,155.30 × 84,718,688.70
  4. Step 4: Simplify right side
    149,288,770.20x = 18,971,323,273,469,456
  5. Step 5: Solve for x
    x = 18,971,323,273,469,456/149,288,770.20
  6. Step 6: Final answer
    x = 127,078,033.05

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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.