Home / 120,228,991,067.69-165,972,496,107.08-69,470,115,192.71

Finding the Fourth Proportional to 120,228,991,067.69, 165,972,496,107.08 and 69,470,115,192.71

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Solution

The fourth proportional to 120,228,991,067.69, 165,972,496,107.08 and 69,470,115,192.71 is: 95,901,398,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,228,991,067.69 : 165,972,496,107.08 = 69,470,115,192.71 : x
  2. Step 2: Convert to fraction form
    120,228,991,067.69/165,972,496,107.08 = 69,470,115,192.71/x
  3. Step 3: Cross multiply
    120,228,991,067.69x = 165,972,496,107.08 × 69,470,115,192.71
  4. Step 4: Simplify right side
    120,228,991,067.69x = 11,530,128,423,380,460,765,184
  5. Step 5: Solve for x
    x = 11,530,128,423,380,460,765,184/120,228,991,067.69
  6. Step 6: Final answer
    x = 95,901,398,830.58

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1.5x scale

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.