Home / 86,632,723.29-129,949,381.62-21,936,498.33

Finding the Fourth Proportional to 86,632,723.29, 129,949,381.62 and 21,936,498.33

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Solution

The fourth proportional to 86,632,723.29, 129,949,381.62 and 21,936,498.33 is: 32,904,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,632,723.29 : 129,949,381.62 = 21,936,498.33 : x
  2. Step 2: Convert to fraction form
    86,632,723.29/129,949,381.62 = 21,936,498.33/x
  3. Step 3: Cross multiply
    86,632,723.29x = 129,949,381.62 × 21,936,498.33
  4. Step 4: Simplify right side
    86,632,723.29x = 2,850,634,392,891,662.50
  5. Step 5: Solve for x
    x = 2,850,634,392,891,662.50/86,632,723.29
  6. Step 6: Final answer
    x = 32,904,822.62

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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.