Home / 72,505,088.16-108,756,567.36-17,917,672.21

Finding the Fourth Proportional to 72,505,088.16, 108,756,567.36 and 17,917,672.21

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Solution

The fourth proportional to 72,505,088.16, 108,756,567.36 and 17,917,672.21 is: 26,876,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,505,088.16 : 108,756,567.36 = 17,917,672.21 : x
  2. Step 2: Convert to fraction form
    72,505,088.16/108,756,567.36 = 17,917,672.21/x
  3. Step 3: Cross multiply
    72,505,088.16x = 108,756,567.36 × 17,917,672.21
  4. Step 4: Simplify right side
    72,505,088.16x = 1,948,664,524,007,893.75
  5. Step 5: Solve for x
    x = 1,948,664,524,007,893.75/72,505,088.16
  6. Step 6: Final answer
    x = 26,876,245.15

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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.