Home / 274,192,961.07-378,386,286.32-156,720,813.59

Finding the Fourth Proportional to 274,192,961.07, 378,386,286.32 and 156,720,813.59

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Solution

The fourth proportional to 274,192,961.07, 378,386,286.32 and 156,720,813.59 is: 216,274,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,961.07 : 378,386,286.32 = 156,720,813.59 : x
  2. Step 2: Convert to fraction form
    274,192,961.07/378,386,286.32 = 156,720,813.59/x
  3. Step 3: Cross multiply
    274,192,961.07x = 378,386,286.32 × 156,720,813.59
  4. Step 4: Simplify right side
    274,192,961.07x = 59,301,006,640,693,552
  5. Step 5: Solve for x
    x = 59,301,006,640,693,552/274,192,961.07
  6. Step 6: Final answer
    x = 216,274,722.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.