Home / 143,078,246,496.08-197,442,231,581.60-77,971,291,249.92

Finding the Fourth Proportional to 143,078,246,496.08, 197,442,231,581.60 and 77,971,291,249.92

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Solution

The fourth proportional to 143,078,246,496.08, 197,442,231,581.60 and 77,971,291,249.92 is: 107,597,249,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,078,246,496.08 : 197,442,231,581.60 = 77,971,291,249.92 : x
  2. Step 2: Convert to fraction form
    143,078,246,496.08/197,442,231,581.60 = 77,971,291,249.92/x
  3. Step 3: Cross multiply
    143,078,246,496.08x = 197,442,231,581.60 × 77,971,291,249.92
  4. Step 4: Simplify right side
    143,078,246,496.08x = 15,394,825,743,683,085,664,256
  5. Step 5: Solve for x
    x = 15,394,825,743,683,085,664,256/143,078,246,496.08
  6. Step 6: Final answer
    x = 107,597,249,202.41

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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.