Home / 120,077,573.55-165,707,193.21-65,073,430.05

Finding the Fourth Proportional to 120,077,573.55, 165,707,193.21 and 65,073,430.05

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Solution

The fourth proportional to 120,077,573.55, 165,707,193.21 and 65,073,430.05 is: 89,801,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,573.55 : 165,707,193.21 = 65,073,430.05 : x
  2. Step 2: Convert to fraction form
    120,077,573.55/165,707,193.21 = 65,073,430.05/x
  3. Step 3: Cross multiply
    120,077,573.55x = 165,707,193.21 × 65,073,430.05
  4. Step 4: Simplify right side
    120,077,573.55x = 10,783,135,446,132,770
  5. Step 5: Solve for x
    x = 10,783,135,446,132,770/120,077,573.55
  6. Step 6: Final answer
    x = 89,801,410.27

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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.