Home / 172,814,723.71-259,222,348.04-70,578,761.33

Finding the Fourth Proportional to 172,814,723.71, 259,222,348.04 and 70,578,761.33

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Solution

The fourth proportional to 172,814,723.71, 259,222,348.04 and 70,578,761.33 is: 105,868,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,723.71 : 259,222,348.04 = 70,578,761.33 : x
  2. Step 2: Convert to fraction form
    172,814,723.71/259,222,348.04 = 70,578,761.33/x
  3. Step 3: Cross multiply
    172,814,723.71x = 259,222,348.04 × 70,578,761.33
  4. Step 4: Simplify right side
    172,814,723.71x = 18,295,592,234,012,516
  5. Step 5: Solve for x
    x = 18,295,592,234,012,516/172,814,723.71
  6. Step 6: Final answer
    x = 105,868,249.19

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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.