Home / 342,722,036.88-472,956,410.89-196,044,320.88

Finding the Fourth Proportional to 342,722,036.88, 472,956,410.89 and 196,044,320.88

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Solution

The fourth proportional to 342,722,036.88, 472,956,410.89 and 196,044,320.88 is: 270,541,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,722,036.88 : 472,956,410.89 = 196,044,320.88 : x
  2. Step 2: Convert to fraction form
    342,722,036.88/472,956,410.89 = 196,044,320.88/x
  3. Step 3: Cross multiply
    342,722,036.88x = 472,956,410.89 × 196,044,320.88
  4. Step 4: Simplify right side
    342,722,036.88x = 92,720,418,375,917,392
  5. Step 5: Solve for x
    x = 92,720,418,375,917,392/342,722,036.88
  6. Step 6: Final answer
    x = 270,541,162.81

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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.