Home / 120,077,584.83-165,707,208.74-65,073,441.33

Finding the Fourth Proportional to 120,077,584.83, 165,707,208.74 and 65,073,441.33

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Solution

The fourth proportional to 120,077,584.83, 165,707,208.74 and 65,073,441.33 is: 89,801,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,584.83 : 165,707,208.74 = 65,073,441.33 : x
  2. Step 2: Convert to fraction form
    120,077,584.83/165,707,208.74 = 65,073,441.33/x
  3. Step 3: Cross multiply
    120,077,584.83x = 165,707,208.74 × 65,073,441.33
  4. Step 4: Simplify right side
    120,077,584.83x = 10,783,138,325,575,086
  5. Step 5: Solve for x
    x = 10,783,138,325,575,086/120,077,584.83
  6. Step 6: Final answer
    x = 89,801,425.81

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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.