Home / 155,067,546.24-213,994,619.52-85,455,421.44

Finding the Fourth Proportional to 155,067,546.24, 213,994,619.52 and 85,455,421.44

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Solution

The fourth proportional to 155,067,546.24, 213,994,619.52 and 85,455,421.44 is: 117,929,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,067,546.24 : 213,994,619.52 = 85,455,421.44 : x
  2. Step 2: Convert to fraction form
    155,067,546.24/213,994,619.52 = 85,455,421.44/x
  3. Step 3: Cross multiply
    155,067,546.24x = 213,994,619.52 × 85,455,421.44
  4. Step 4: Simplify right side
    155,067,546.24x = 18,287,000,396,974,052
  5. Step 5: Solve for x
    x = 18,287,000,396,974,052/155,067,546.24
  6. Step 6: Final answer
    x = 117,929,256.25

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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.