Home / 79,681,987,395.39-119,543,944,927.26-28,635,441,067.74

Finding the Fourth Proportional to 79,681,987,395.39, 119,543,944,927.26 and 28,635,441,067.74

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Solution

The fourth proportional to 79,681,987,395.39, 119,543,944,927.26 and 28,635,441,067.74 is: 42,960,695,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,681,987,395.39 : 119,543,944,927.26 = 28,635,441,067.74 : x
  2. Step 2: Convert to fraction form
    79,681,987,395.39/119,543,944,927.26 = 28,635,441,067.74/x
  3. Step 3: Cross multiply
    79,681,987,395.39x = 119,543,944,927.26 × 28,635,441,067.74
  4. Step 4: Simplify right side
    79,681,987,395.39x = 3,423,193,589,969,709,957,120
  5. Step 5: Solve for x
    x = 3,423,193,589,969,709,957,120/79,681,987,395.39
  6. Step 6: Final answer
    x = 42,960,695,407.65

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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.