Home / 204,692,087.70-307,176,283.41-80,179,272.05

Finding the Fourth Proportional to 204,692,087.70, 307,176,283.41 and 80,179,272.05

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Solution

The fourth proportional to 204,692,087.70, 307,176,283.41 and 80,179,272.05 is: 120,323,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,692,087.70 : 307,176,283.41 = 80,179,272.05 : x
  2. Step 2: Convert to fraction form
    204,692,087.70/307,176,283.41 = 80,179,272.05/x
  3. Step 3: Cross multiply
    204,692,087.70x = 307,176,283.41 × 80,179,272.05
  4. Step 4: Simplify right side
    204,692,087.70x = 24,629,170,793,302,412
  5. Step 5: Solve for x
    x = 24,629,170,793,302,412/204,692,087.70
  6. Step 6: Final answer
    x = 120,323,023.08

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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.