Home / 190,321,806.20-285,163,844.70-162,899,450.60

Finding the Fourth Proportional to 190,321,806.20, 285,163,844.70 and 162,899,450.60

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Solution

The fourth proportional to 190,321,806.20, 285,163,844.70 and 162,899,450.60 is: 244,076,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,321,806.20 : 285,163,844.70 = 162,899,450.60 : x
  2. Step 2: Convert to fraction form
    190,321,806.20/285,163,844.70 = 162,899,450.60/x
  3. Step 3: Cross multiply
    190,321,806.20x = 285,163,844.70 × 162,899,450.60
  4. Step 4: Simplify right side
    190,321,806.20x = 46,453,033,632,613,720
  5. Step 5: Solve for x
    x = 46,453,033,632,613,720/190,321,806.20
  6. Step 6: Final answer
    x = 244,076,254.63

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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.