Home / 204,601,200.90-306,901,801.35-122,971,863.30

Finding the Fourth Proportional to 204,601,200.90, 306,901,801.35 and 122,971,863.30

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Solution

The fourth proportional to 204,601,200.90, 306,901,801.35 and 122,971,863.30 is: 184,457,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,601,200.90 : 306,901,801.35 = 122,971,863.30 : x
  2. Step 2: Convert to fraction form
    204,601,200.90/306,901,801.35 = 122,971,863.30/x
  3. Step 3: Cross multiply
    204,601,200.90x = 306,901,801.35 × 122,971,863.30
  4. Step 4: Simplify right side
    204,601,200.90x = 37,740,286,362,135,960
  5. Step 5: Solve for x
    x = 37,740,286,362,135,960/204,601,200.90
  6. Step 6: Final answer
    x = 184,457,794.95

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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.