Home / 217,685,692-325,761,608.08-135,843,078.16

Finding the Fourth Proportional to 217,685,692, 325,761,608.08 and 135,843,078.16

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Solution

The fourth proportional to 217,685,692, 325,761,608.08 and 135,843,078.16 is: 203,286,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,685,692 : 325,761,608.08 = 135,843,078.16 : x
  2. Step 2: Convert to fraction form
    217,685,692/325,761,608.08 = 135,843,078.16/x
  3. Step 3: Cross multiply
    217,685,692x = 325,761,608.08 × 135,843,078.16
  4. Step 4: Simplify right side
    217,685,692x = 44,252,459,587,938,728
  5. Step 5: Solve for x
    x = 44,252,459,587,938,728/217,685,692
  6. Step 6: Final answer
    x = 203,286,027.58

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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.