Home / 169,948,708-254,922,672.92-72,841,449.76

Finding the Fourth Proportional to 169,948,708, 254,922,672.92 and 72,841,449.76

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Solution

The fourth proportional to 169,948,708, 254,922,672.92 and 72,841,449.76 is: 109,262,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,948,708 : 254,922,672.92 = 72,841,449.76 : x
  2. Step 2: Convert to fraction form
    169,948,708/254,922,672.92 = 72,841,449.76/x
  3. Step 3: Cross multiply
    169,948,708x = 254,922,672.92 × 72,841,449.76
  4. Step 4: Simplify right side
    169,948,708x = 18,568,937,072,187,092
  5. Step 5: Solve for x
    x = 18,568,937,072,187,092/169,948,708
  6. Step 6: Final answer
    x = 109,262,007.88

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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.