Home / 274,311,218.85-378,550,473.06-148,863,387.51

Finding the Fourth Proportional to 274,311,218.85, 378,550,473.06 and 148,863,387.51

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Solution

The fourth proportional to 274,311,218.85, 378,550,473.06 and 148,863,387.51 is: 205,432,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,311,218.85 : 378,550,473.06 = 148,863,387.51 : x
  2. Step 2: Convert to fraction form
    274,311,218.85/378,550,473.06 = 148,863,387.51/x
  3. Step 3: Cross multiply
    274,311,218.85x = 378,550,473.06 × 148,863,387.51
  4. Step 4: Simplify right side
    274,311,218.85x = 56,352,305,763,224,592
  5. Step 5: Solve for x
    x = 56,352,305,763,224,592/274,311,218.85
  6. Step 6: Final answer
    x = 205,432,012.59

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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.