Home / 274,961,843.90-379,449,318.52-149,513,140.88

Finding the Fourth Proportional to 274,961,843.90, 379,449,318.52 and 149,513,140.88

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Solution

The fourth proportional to 274,961,843.90, 379,449,318.52 and 149,513,140.88 is: 206,329,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,961,843.90 : 379,449,318.52 = 149,513,140.88 : x
  2. Step 2: Convert to fraction form
    274,961,843.90/379,449,318.52 = 149,513,140.88/x
  3. Step 3: Cross multiply
    274,961,843.90x = 379,449,318.52 × 149,513,140.88
  4. Step 4: Simplify right side
    274,961,843.90x = 56,732,659,415,953,184
  5. Step 5: Solve for x
    x = 56,732,659,415,953,184/274,961,843.90
  6. Step 6: Final answer
    x = 206,329,207.76

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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.