Home / 45,755,559.76-68,644,956.76-21,181,203.04

Finding the Fourth Proportional to 45,755,559.76, 68,644,956.76 and 21,181,203.04

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Solution

The fourth proportional to 45,755,559.76, 68,644,956.76 and 21,181,203.04 is: 31,777,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,755,559.76 : 68,644,956.76 = 21,181,203.04 : x
  2. Step 2: Convert to fraction form
    45,755,559.76/68,644,956.76 = 21,181,203.04/x
  3. Step 3: Cross multiply
    45,755,559.76x = 68,644,956.76 × 21,181,203.04
  4. Step 4: Simplify right side
    45,755,559.76x = 1,453,982,766,805,580.50
  5. Step 5: Solve for x
    x = 1,453,982,766,805,580.50/45,755,559.76
  6. Step 6: Final answer
    x = 31,777,182.37

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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.