Home / 202,070,521.67-278,857,375.45-111,544,067.39

Finding the Fourth Proportional to 202,070,521.67, 278,857,375.45 and 111,544,067.39

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Solution

The fourth proportional to 202,070,521.67, 278,857,375.45 and 111,544,067.39 is: 153,930,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,070,521.67 : 278,857,375.45 = 111,544,067.39 : x
  2. Step 2: Convert to fraction form
    202,070,521.67/278,857,375.45 = 111,544,067.39/x
  3. Step 3: Cross multiply
    202,070,521.67x = 278,857,375.45 × 111,544,067.39
  4. Step 4: Simplify right side
    202,070,521.67x = 31,104,885,877,720,184
  5. Step 5: Solve for x
    x = 31,104,885,877,720,184/202,070,521.67
  6. Step 6: Final answer
    x = 153,930,843.66

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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.