Home / 140,221,040.97-210,331,278.75-131,688,166.44

Finding the Fourth Proportional to 140,221,040.97, 210,331,278.75 and 131,688,166.44

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Solution

The fourth proportional to 140,221,040.97, 210,331,278.75 and 131,688,166.44 is: 197,531,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,221,040.97 : 210,331,278.75 = 131,688,166.44 : x
  2. Step 2: Convert to fraction form
    140,221,040.97/210,331,278.75 = 131,688,166.44/x
  3. Step 3: Cross multiply
    140,221,040.97x = 210,331,278.75 × 131,688,166.44
  4. Step 4: Simplify right side
    140,221,040.97x = 27,698,140,443,568,036
  5. Step 5: Solve for x
    x = 27,698,140,443,568,036/140,221,040.97
  6. Step 6: Final answer
    x = 197,531,984.16

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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.