Home / 219,496,590.80-329,244,886.20-137,867,253.20

Finding the Fourth Proportional to 219,496,590.80, 329,244,886.20 and 137,867,253.20

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Solution

The fourth proportional to 219,496,590.80, 329,244,886.20 and 137,867,253.20 is: 206,800,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,496,590.80 : 329,244,886.20 = 137,867,253.20 : x
  2. Step 2: Convert to fraction form
    219,496,590.80/329,244,886.20 = 137,867,253.20/x
  3. Step 3: Cross multiply
    219,496,590.80x = 329,244,886.20 × 137,867,253.20
  4. Step 4: Simplify right side
    219,496,590.80x = 45,392,088,090,540,584
  5. Step 5: Solve for x
    x = 45,392,088,090,540,584/219,496,590.80
  6. Step 6: Final answer
    x = 206,800,879.80

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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.