Home / 54,391,010.70-81,562,896.45-17,985,333.90

Finding the Fourth Proportional to 54,391,010.70, 81,562,896.45 and 17,985,333.90

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Solution

The fourth proportional to 54,391,010.70, 81,562,896.45 and 17,985,333.90 is: 26,970,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391,010.70 : 81,562,896.45 = 17,985,333.90 : x
  2. Step 2: Convert to fraction form
    54,391,010.70/81,562,896.45 = 17,985,333.90/x
  3. Step 3: Cross multiply
    54,391,010.70x = 81,562,896.45 × 17,985,333.90
  4. Step 4: Simplify right side
    54,391,010.70x = 1,466,935,926,504,374.50
  5. Step 5: Solve for x
    x = 1,466,935,926,504,374.50/54,391,010.70
  6. Step 6: Final answer
    x = 26,970,190.62

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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.