Home / 87,544,393.74-120,748,608.15-61,444,735.74

Finding the Fourth Proportional to 87,544,393.74, 120,748,608.15 and 61,444,735.74

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Solution

The fourth proportional to 87,544,393.74, 120,748,608.15 and 61,444,735.74 is: 84,749,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544,393.74 : 120,748,608.15 = 61,444,735.74 : x
  2. Step 2: Convert to fraction form
    87,544,393.74/120,748,608.15 = 61,444,735.74/x
  3. Step 3: Cross multiply
    87,544,393.74x = 120,748,608.15 × 61,444,735.74
  4. Step 4: Simplify right side
    87,544,393.74x = 7,419,366,318,749,561
  5. Step 5: Solve for x
    x = 7,419,366,318,749,561/87,544,393.74
  6. Step 6: Final answer
    x = 84,749,759.54

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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.