Home / 78,568,625,168.68-117,773,508,711.66-33,829,298,438.44

Finding the Fourth Proportional to 78,568,625,168.68, 117,773,508,711.66 and 33,829,298,438.44

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Solution

The fourth proportional to 78,568,625,168.68, 117,773,508,711.66 and 33,829,298,438.44 is: 50,709,747,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,568,625,168.68 : 117,773,508,711.66 = 33,829,298,438.44 : x
  2. Step 2: Convert to fraction form
    78,568,625,168.68/117,773,508,711.66 = 33,829,298,438.44/x
  3. Step 3: Cross multiply
    78,568,625,168.68x = 117,773,508,711.66 × 33,829,298,438.44
  4. Step 4: Simplify right side
    78,568,625,168.68x = 3,984,195,174,348,959,514,624
  5. Step 5: Solve for x
    x = 3,984,195,174,348,959,514,624/78,568,625,168.68
  6. Step 6: Final answer
    x = 50,709,747,889.76

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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.