Home / 72,505,088.91-108,756,568.48-17,917,672.96

Finding the Fourth Proportional to 72,505,088.91, 108,756,568.48 and 17,917,672.96

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Solution

The fourth proportional to 72,505,088.91, 108,756,568.48 and 17,917,672.96 is: 26,876,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,505,088.91 : 108,756,568.48 = 17,917,672.96 : x
  2. Step 2: Convert to fraction form
    72,505,088.91/108,756,568.48 = 17,917,672.96/x
  3. Step 3: Cross multiply
    72,505,088.91x = 108,756,568.48 × 17,917,672.96
  4. Step 4: Simplify right side
    72,505,088.91x = 1,948,664,625,643,112.75
  5. Step 5: Solve for x
    x = 1,948,664,625,643,112.75/72,505,088.91
  6. Step 6: Final answer
    x = 26,876,246.27

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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.