Home / 120,118,332.39-165,752,984.77-69,891,843.48

Finding the Fourth Proportional to 120,118,332.39, 165,752,984.77 and 69,891,843.48

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Solution

The fourth proportional to 120,118,332.39, 165,752,984.77 and 69,891,843.48 is: 96,444,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,118,332.39 : 165,752,984.77 = 69,891,843.48 : x
  2. Step 2: Convert to fraction form
    120,118,332.39/165,752,984.77 = 69,891,843.48/x
  3. Step 3: Cross multiply
    120,118,332.39x = 165,752,984.77 × 69,891,843.48
  4. Step 4: Simplify right side
    120,118,332.39x = 11,584,781,667,887,666
  5. Step 5: Solve for x
    x = 11,584,781,667,887,666/120,118,332.39
  6. Step 6: Final answer
    x = 96,444,742.76

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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.