Home / 120,077,579.44-165,707,201.37-65,073,435.94

Finding the Fourth Proportional to 120,077,579.44, 165,707,201.37 and 65,073,435.94

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Solution

The fourth proportional to 120,077,579.44, 165,707,201.37 and 65,073,435.94 is: 89,801,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,579.44 : 165,707,201.37 = 65,073,435.94 : x
  2. Step 2: Convert to fraction form
    120,077,579.44/165,707,201.37 = 65,073,435.94/x
  3. Step 3: Cross multiply
    120,077,579.44x = 165,707,201.37 × 65,073,435.94
  4. Step 4: Simplify right side
    120,077,579.44x = 10,783,136,953,147,376
  5. Step 5: Solve for x
    x = 10,783,136,953,147,376/120,077,579.44
  6. Step 6: Final answer
    x = 89,801,418.41

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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.