Home / 57,906,420.89-79,910,570.42-31,444,538.34

Finding the Fourth Proportional to 57,906,420.89, 79,910,570.42 and 31,444,538.34

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Solution

The fourth proportional to 57,906,420.89, 79,910,570.42 and 31,444,538.34 is: 43,393,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,906,420.89 : 79,910,570.42 = 31,444,538.34 : x
  2. Step 2: Convert to fraction form
    57,906,420.89/79,910,570.42 = 31,444,538.34/x
  3. Step 3: Cross multiply
    57,906,420.89x = 79,910,570.42 × 31,444,538.34
  4. Step 4: Simplify right side
    57,906,420.89x = 2,512,750,995,603,319
  5. Step 5: Solve for x
    x = 2,512,750,995,603,319/57,906,420.89
  6. Step 6: Final answer
    x = 43,393,305.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.