Home / 208,747,443.20-313,121,164.80-174,987,161.60

Finding the Fourth Proportional to 208,747,443.20, 313,121,164.80 and 174,987,161.60

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Solution

The fourth proportional to 208,747,443.20, 313,121,164.80 and 174,987,161.60 is: 262,480,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,747,443.20 : 313,121,164.80 = 174,987,161.60 : x
  2. Step 2: Convert to fraction form
    208,747,443.20/313,121,164.80 = 174,987,161.60/x
  3. Step 3: Cross multiply
    208,747,443.20x = 313,121,164.80 × 174,987,161.60
  4. Step 4: Simplify right side
    208,747,443.20x = 54,792,183,865,237,832
  5. Step 5: Solve for x
    x = 54,792,183,865,237,832/208,747,443.20
  6. Step 6: Final answer
    x = 262,480,742.40

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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.