Home / 252,044,881.70-378,067,322.55-221,811,793.70

Finding the Fourth Proportional to 252,044,881.70, 378,067,322.55 and 221,811,793.70

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Solution

The fourth proportional to 252,044,881.70, 378,067,322.55 and 221,811,793.70 is: 332,717,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,044,881.70 : 378,067,322.55 = 221,811,793.70 : x
  2. Step 2: Convert to fraction form
    252,044,881.70/378,067,322.55 = 221,811,793.70/x
  3. Step 3: Cross multiply
    252,044,881.70x = 378,067,322.55 × 221,811,793.70
  4. Step 4: Simplify right side
    252,044,881.70x = 83,859,790,954,171,952
  5. Step 5: Solve for x
    x = 83,859,790,954,171,952/252,044,881.70
  6. Step 6: Final answer
    x = 332,717,690.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.