Home / 147,469,087.68-203,507,772.57-80,488,662.90

Finding the Fourth Proportional to 147,469,087.68, 203,507,772.57 and 80,488,662.90

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Solution

The fourth proportional to 147,469,087.68, 203,507,772.57 and 80,488,662.90 is: 111,074,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,469,087.68 : 203,507,772.57 = 80,488,662.90 : x
  2. Step 2: Convert to fraction form
    147,469,087.68/203,507,772.57 = 80,488,662.90/x
  3. Step 3: Cross multiply
    147,469,087.68x = 203,507,772.57 × 80,488,662.90
  4. Step 4: Simplify right side
    147,469,087.68x = 16,380,068,503,916,598
  5. Step 5: Solve for x
    x = 16,380,068,503,916,598/147,469,087.68
  6. Step 6: Final answer
    x = 111,074,590.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.