Home / 219,612,138.30-329,323,729.05-110,395,107.90

Finding the Fourth Proportional to 219,612,138.30, 329,323,729.05 and 110,395,107.90

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Solution

The fourth proportional to 219,612,138.30, 329,323,729.05 and 110,395,107.90 is: 165,545,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,612,138.30 : 329,323,729.05 = 110,395,107.90 : x
  2. Step 2: Convert to fraction form
    219,612,138.30/329,323,729.05 = 110,395,107.90/x
  3. Step 3: Cross multiply
    219,612,138.30x = 329,323,729.05 × 110,395,107.90
  4. Step 4: Simplify right side
    219,612,138.30x = 36,355,728,602,505,120
  5. Step 5: Solve for x
    x = 36,355,728,602,505,120/219,612,138.30
  6. Step 6: Final answer
    x = 165,545,169.24

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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.