Home / 274,214,140.20-378,415,472.40-156,741,992.73

Finding the Fourth Proportional to 274,214,140.20, 378,415,472.40 and 156,741,992.73

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Solution

The fourth proportional to 274,214,140.20, 378,415,472.40 and 156,741,992.73 is: 216,303,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,140.20 : 378,415,472.40 = 156,741,992.73 : x
  2. Step 2: Convert to fraction form
    274,214,140.20/378,415,472.40 = 156,741,992.73/x
  3. Step 3: Cross multiply
    274,214,140.20x = 378,415,472.40 × 156,741,992.73
  4. Step 4: Simplify right side
    274,214,140.20x = 59,313,595,223,840,304
  5. Step 5: Solve for x
    x = 59,313,595,223,840,304/274,214,140.20
  6. Step 6: Final answer
    x = 216,303,926.49

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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.