Home / 140,205,422.73-210,120,142.46-109,118,615.39

Finding the Fourth Proportional to 140,205,422.73, 210,120,142.46 and 109,118,615.39

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Solution

The fourth proportional to 140,205,422.73, 210,120,142.46 and 109,118,615.39 is: 163,531,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,422.73 : 210,120,142.46 = 109,118,615.39 : x
  2. Step 2: Convert to fraction form
    140,205,422.73/210,120,142.46 = 109,118,615.39/x
  3. Step 3: Cross multiply
    140,205,422.73x = 210,120,142.46 × 109,118,615.39
  4. Step 4: Simplify right side
    140,205,422.73x = 22,928,019,009,188,556
  5. Step 5: Solve for x
    x = 22,928,019,009,188,556/140,205,422.73
  6. Step 6: Final answer
    x = 163,531,613.56

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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.