Home / 165,920,015.20-248,880,022.80-131,282,600.80

Finding the Fourth Proportional to 165,920,015.20, 248,880,022.80 and 131,282,600.80

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Solution

The fourth proportional to 165,920,015.20, 248,880,022.80 and 131,282,600.80 is: 196,923,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920,015.20 : 248,880,022.80 = 131,282,600.80 : x
  2. Step 2: Convert to fraction form
    165,920,015.20/248,880,022.80 = 131,282,600.80/x
  3. Step 3: Cross multiply
    165,920,015.20x = 248,880,022.80 × 131,282,600.80
  4. Step 4: Simplify right side
    165,920,015.20x = 32,673,616,680,347,300
  5. Step 5: Solve for x
    x = 32,673,616,680,347,300/165,920,015.20
  6. Step 6: Final answer
    x = 196,923,901.20

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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.