Home / 54,423,665.50-81,605,383.26-21,600,983.61

Finding the Fourth Proportional to 54,423,665.50, 81,605,383.26 and 21,600,983.61

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Solution

The fourth proportional to 54,423,665.50, 81,605,383.26 and 21,600,983.61 is: 32,389,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423,665.50 : 81,605,383.26 = 21,600,983.61 : x
  2. Step 2: Convert to fraction form
    54,423,665.50/81,605,383.26 = 21,600,983.61/x
  3. Step 3: Cross multiply
    54,423,665.50x = 81,605,383.26 × 21,600,983.61
  4. Step 4: Simplify right side
    54,423,665.50x = 1,762,756,546,287,028.50
  5. Step 5: Solve for x
    x = 1,762,756,546,287,028.50/54,423,665.50
  6. Step 6: Final answer
    x = 32,389,522.65

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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.