Home / 194,039,735.80-291,201,321.30-136,644,107.80

Finding the Fourth Proportional to 194,039,735.80, 291,201,321.30 and 136,644,107.80

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Solution

The fourth proportional to 194,039,735.80, 291,201,321.30 and 136,644,107.80 is: 205,065,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,039,735.80 : 291,201,321.30 = 136,644,107.80 : x
  2. Step 2: Convert to fraction form
    194,039,735.80/291,201,321.30 = 136,644,107.80/x
  3. Step 3: Cross multiply
    194,039,735.80x = 291,201,321.30 × 136,644,107.80
  4. Step 4: Simplify right side
    194,039,735.80x = 39,790,944,739,219,640
  5. Step 5: Solve for x
    x = 39,790,944,739,219,640/194,039,735.80
  6. Step 6: Final answer
    x = 205,065,960.20

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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.