Home / 120,170,185.64-165,834,900.26-65,166,027.56

Finding the Fourth Proportional to 120,170,185.64, 165,834,900.26 and 65,166,027.56

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Solution

The fourth proportional to 120,170,185.64, 165,834,900.26 and 65,166,027.56 is: 89,929,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,170,185.64 : 165,834,900.26 = 65,166,027.56 : x
  2. Step 2: Convert to fraction form
    120,170,185.64/165,834,900.26 = 65,166,027.56/x
  3. Step 3: Cross multiply
    120,170,185.64x = 165,834,900.26 × 65,166,027.56
  4. Step 4: Simplify right side
    120,170,185.64x = 10,806,801,680,753,010
  5. Step 5: Solve for x
    x = 10,806,801,680,753,010/120,170,185.64
  6. Step 6: Final answer
    x = 89,929,141.93

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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.