Home / 108,568,825.20-162,837,491.40-31,883,857.20

Finding the Fourth Proportional to 108,568,825.20, 162,837,491.40 and 31,883,857.20

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Solution

The fourth proportional to 108,568,825.20, 162,837,491.40 and 31,883,857.20 is: 47,821,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,568,825.20 : 162,837,491.40 = 31,883,857.20 : x
  2. Step 2: Convert to fraction form
    108,568,825.20/162,837,491.40 = 31,883,857.20/x
  3. Step 3: Cross multiply
    108,568,825.20x = 162,837,491.40 × 31,883,857.20
  4. Step 4: Simplify right side
    108,568,825.20x = 5,191,887,322,603,828
  5. Step 5: Solve for x
    x = 5,191,887,322,603,828/108,568,825.20
  6. Step 6: Final answer
    x = 47,821,161.49

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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.