Home / 90,609,369.87-135,858,431.60-35,212,522.28

Finding the Fourth Proportional to 90,609,369.87, 135,858,431.60 and 35,212,522.28

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Solution

The fourth proportional to 90,609,369.87, 135,858,431.60 and 35,212,522.28 is: 52,797,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,609,369.87 : 135,858,431.60 = 35,212,522.28 : x
  2. Step 2: Convert to fraction form
    90,609,369.87/135,858,431.60 = 35,212,522.28/x
  3. Step 3: Cross multiply
    90,609,369.87x = 135,858,431.60 × 35,212,522.28
  4. Step 4: Simplify right side
    90,609,369.87x = 4,783,918,048,785,501
  5. Step 5: Solve for x
    x = 4,783,918,048,785,501/90,609,369.87
  6. Step 6: Final answer
    x = 52,797,167.18

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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.