Home / 219,593,828.42-329,377,265.70-90,198,081.70

Finding the Fourth Proportional to 219,593,828.42, 329,377,265.70 and 90,198,081.70

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Solution

The fourth proportional to 219,593,828.42, 329,377,265.70 and 90,198,081.70 is: 135,291,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,593,828.42 : 329,377,265.70 = 90,198,081.70 : x
  2. Step 2: Convert to fraction form
    219,593,828.42/329,377,265.70 = 90,198,081.70/x
  3. Step 3: Cross multiply
    219,593,828.42x = 329,377,265.70 × 90,198,081.70
  4. Step 4: Simplify right side
    219,593,828.42x = 29,709,197,521,731,208
  5. Step 5: Solve for x
    x = 29,709,197,521,731,208/219,593,828.42
  6. Step 6: Final answer
    x = 135,291,586.91

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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.