Home / 120,201,067.61-165,875,845.58-67,277,759.54

Finding the Fourth Proportional to 120,201,067.61, 165,875,845.58 and 67,277,759.54

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Solution

The fourth proportional to 120,201,067.61, 165,875,845.58 and 67,277,759.54 is: 92,842,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,201,067.61 : 165,875,845.58 = 67,277,759.54 : x
  2. Step 2: Convert to fraction form
    120,201,067.61/165,875,845.58 = 67,277,759.54/x
  3. Step 3: Cross multiply
    120,201,067.61x = 165,875,845.58 × 67,277,759.54
  4. Step 4: Simplify right side
    120,201,067.61x = 11,159,755,251,259,642
  5. Step 5: Solve for x
    x = 11,159,755,251,259,642/120,201,067.61
  6. Step 6: Final answer
    x = 92,842,397.10

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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.