Home / 291,453,197.10-436,899,859.65-168,505,305.90

Finding the Fourth Proportional to 291,453,197.10, 436,899,859.65 and 168,505,305.90

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Solution

The fourth proportional to 291,453,197.10, 436,899,859.65 and 168,505,305.90 is: 252,596,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,453,197.10 : 436,899,859.65 = 168,505,305.90 : x
  2. Step 2: Convert to fraction form
    291,453,197.10/436,899,859.65 = 168,505,305.90/x
  3. Step 3: Cross multiply
    291,453,197.10x = 436,899,859.65 × 168,505,305.90
  4. Step 4: Simplify right side
    291,453,197.10x = 73,619,944,497,990,320
  5. Step 5: Solve for x
    x = 73,619,944,497,990,320/291,453,197.10
  6. Step 6: Final answer
    x = 252,596,112.28

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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.