Home / 274,192,992.80-378,386,329.92-156,720,845.28

Finding the Fourth Proportional to 274,192,992.80, 378,386,329.92 and 156,720,845.28

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Solution

The fourth proportional to 274,192,992.80, 378,386,329.92 and 156,720,845.28 is: 216,274,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,992.80 : 378,386,329.92 = 156,720,845.28 : x
  2. Step 2: Convert to fraction form
    274,192,992.80/378,386,329.92 = 156,720,845.28/x
  3. Step 3: Cross multiply
    274,192,992.80x = 378,386,329.92 × 156,720,845.28
  4. Step 4: Simplify right side
    274,192,992.80x = 59,301,025,467,459,360
  5. Step 5: Solve for x
    x = 59,301,025,467,459,360/274,192,992.80
  6. Step 6: Final answer
    x = 216,274,766.40

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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.