Home / 120,077,582.44-165,707,205.51-65,073,438.94

Finding the Fourth Proportional to 120,077,582.44, 165,707,205.51 and 65,073,438.94

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Solution

The fourth proportional to 120,077,582.44, 165,707,205.51 and 65,073,438.94 is: 89,801,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,582.44 : 165,707,205.51 = 65,073,438.94 : x
  2. Step 2: Convert to fraction form
    120,077,582.44/165,707,205.51 = 65,073,438.94/x
  3. Step 3: Cross multiply
    120,077,582.44x = 165,707,205.51 × 65,073,438.94
  4. Step 4: Simplify right side
    120,077,582.44x = 10,783,137,719,673,016
  5. Step 5: Solve for x
    x = 10,783,137,719,673,016/120,077,582.44
  6. Step 6: Final answer
    x = 89,801,422.55

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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.