Home / 74,318,408.88-111,491,969.40-28,256,696.40

Finding the Fourth Proportional to 74,318,408.88, 111,491,969.40 and 28,256,696.40

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Solution

The fourth proportional to 74,318,408.88, 111,491,969.40 and 28,256,696.40 is: 42,390,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318,408.88 : 111,491,969.40 = 28,256,696.40 : x
  2. Step 2: Convert to fraction form
    74,318,408.88/111,491,969.40 = 28,256,696.40/x
  3. Step 3: Cross multiply
    74,318,408.88x = 111,491,969.40 × 28,256,696.40
  4. Step 4: Simplify right side
    74,318,408.88x = 3,150,394,730,373,890
  5. Step 5: Solve for x
    x = 3,150,394,730,373,890/74,318,408.88
  6. Step 6: Final answer
    x = 42,390,502.94

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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.