Home / 204,692,084.21-307,176,278.16-80,179,268.55

Finding the Fourth Proportional to 204,692,084.21, 307,176,278.16 and 80,179,268.55

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Solution

The fourth proportional to 204,692,084.21, 307,176,278.16 and 80,179,268.55 is: 120,323,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,692,084.21 : 307,176,278.16 = 80,179,268.55 : x
  2. Step 2: Convert to fraction form
    204,692,084.21/307,176,278.16 = 80,179,268.55/x
  3. Step 3: Cross multiply
    204,692,084.21x = 307,176,278.16 × 80,179,268.55
  4. Step 4: Simplify right side
    204,692,084.21x = 24,629,169,298,780,140
  5. Step 5: Solve for x
    x = 24,629,169,298,780,140/204,692,084.21
  6. Step 6: Final answer
    x = 120,323,017.83

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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.