Home / 70,904,568.72-97,848,107.96-39,542,647.04

Finding the Fourth Proportional to 70,904,568.72, 97,848,107.96 and 39,542,647.04

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Solution

The fourth proportional to 70,904,568.72, 97,848,107.96 and 39,542,647.04 is: 54,568,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,904,568.72 : 97,848,107.96 = 39,542,647.04 : x
  2. Step 2: Convert to fraction form
    70,904,568.72/97,848,107.96 = 39,542,647.04/x
  3. Step 3: Cross multiply
    70,904,568.72x = 97,848,107.96 × 39,542,647.04
  4. Step 4: Simplify right side
    70,904,568.72x = 3,869,173,195,907,140
  5. Step 5: Solve for x
    x = 3,869,173,195,907,140/70,904,568.72
  6. Step 6: Final answer
    x = 54,568,743.11

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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.