Home / 203,938,067.70-305,907,101.55-171,653,026.95

Finding the Fourth Proportional to 203,938,067.70, 305,907,101.55 and 171,653,026.95

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Solution

The fourth proportional to 203,938,067.70, 305,907,101.55 and 171,653,026.95 is: 257,479,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,938,067.70 : 305,907,101.55 = 171,653,026.95 : x
  2. Step 2: Convert to fraction form
    203,938,067.70/305,907,101.55 = 171,653,026.95/x
  3. Step 3: Cross multiply
    203,938,067.70x = 305,907,101.55 × 171,653,026.95
  4. Step 4: Simplify right side
    203,938,067.70x = 52,509,879,946,558,536
  5. Step 5: Solve for x
    x = 52,509,879,946,558,536/203,938,067.70
  6. Step 6: Final answer
    x = 257,479,540.43

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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.