Home / 169,215,163.20-253,841,407.20-54,180,129.60

Finding the Fourth Proportional to 169,215,163.20, 253,841,407.20 and 54,180,129.60

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Solution

The fourth proportional to 169,215,163.20, 253,841,407.20 and 54,180,129.60 is: 81,276,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,215,163.20 : 253,841,407.20 = 54,180,129.60 : x
  2. Step 2: Convert to fraction form
    169,215,163.20/253,841,407.20 = 54,180,129.60/x
  3. Step 3: Cross multiply
    169,215,163.20x = 253,841,407.20 × 54,180,129.60
  4. Step 4: Simplify right side
    169,215,163.20x = 13,753,160,339,942,372
  5. Step 5: Solve for x
    x = 13,753,160,339,942,372/169,215,163.20
  6. Step 6: Final answer
    x = 81,276,169.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.