Home / 219,496,591.80-329,244,887.70-137,867,254.20

Finding the Fourth Proportional to 219,496,591.80, 329,244,887.70 and 137,867,254.20

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Solution

The fourth proportional to 219,496,591.80, 329,244,887.70 and 137,867,254.20 is: 206,800,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,496,591.80 : 329,244,887.70 = 137,867,254.20 : x
  2. Step 2: Convert to fraction form
    219,496,591.80/329,244,887.70 = 137,867,254.20/x
  3. Step 3: Cross multiply
    219,496,591.80x = 329,244,887.70 × 137,867,254.20
  4. Step 4: Simplify right side
    219,496,591.80x = 45,392,088,626,586,344
  5. Step 5: Solve for x
    x = 45,392,088,626,586,344/219,496,591.80
  6. Step 6: Final answer
    x = 206,800,881.30

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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.