Home / 140,858,085.20-211,287,127.80-92,485,144.40

Finding the Fourth Proportional to 140,858,085.20, 211,287,127.80 and 92,485,144.40

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Solution

The fourth proportional to 140,858,085.20, 211,287,127.80 and 92,485,144.40 is: 138,727,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,858,085.20 : 211,287,127.80 = 92,485,144.40 : x
  2. Step 2: Convert to fraction form
    140,858,085.20/211,287,127.80 = 92,485,144.40/x
  3. Step 3: Cross multiply
    140,858,085.20x = 211,287,127.80 × 92,485,144.40
  4. Step 4: Simplify right side
    140,858,085.20x = 19,540,920,524,444,256
  5. Step 5: Solve for x
    x = 19,540,920,524,444,256/140,858,085.20
  6. Step 6: Final answer
    x = 138,727,716.60

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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.