Home / 91,264,755.63-125,951,542.03-51,558,515.01

Finding the Fourth Proportional to 91,264,755.63, 125,951,542.03 and 51,558,515.01

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Solution

The fourth proportional to 91,264,755.63, 125,951,542.03 and 51,558,515.01 is: 71,154,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,264,755.63 : 125,951,542.03 = 51,558,515.01 : x
  2. Step 2: Convert to fraction form
    91,264,755.63/125,951,542.03 = 51,558,515.01/x
  3. Step 3: Cross multiply
    91,264,755.63x = 125,951,542.03 × 51,558,515.01
  4. Step 4: Simplify right side
    91,264,755.63x = 6,493,874,469,398,851
  5. Step 5: Solve for x
    x = 6,493,874,469,398,851/91,264,755.63
  6. Step 6: Final answer
    x = 71,154,241.58

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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.