Home / 120,077,588.94-165,707,214.51-65,073,445.44

Finding the Fourth Proportional to 120,077,588.94, 165,707,214.51 and 65,073,445.44

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Solution

The fourth proportional to 120,077,588.94, 165,707,214.51 and 65,073,445.44 is: 89,801,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,588.94 : 165,707,214.51 = 65,073,445.44 : x
  2. Step 2: Convert to fraction form
    120,077,588.94/165,707,214.51 = 65,073,445.44/x
  3. Step 3: Cross multiply
    120,077,588.94x = 165,707,214.51 × 65,073,445.44
  4. Step 4: Simplify right side
    120,077,588.94x = 10,783,139,382,430,860
  5. Step 5: Solve for x
    x = 10,783,139,382,430,860/120,077,588.94
  6. Step 6: Final answer
    x = 89,801,431.54

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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.