Home / 205,076,824.40-307,615,236.60-189,505,470.80

Finding the Fourth Proportional to 205,076,824.40, 307,615,236.60 and 189,505,470.80

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Solution

The fourth proportional to 205,076,824.40, 307,615,236.60 and 189,505,470.80 is: 284,258,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,076,824.40 : 307,615,236.60 = 189,505,470.80 : x
  2. Step 2: Convert to fraction form
    205,076,824.40/307,615,236.60 = 189,505,470.80/x
  3. Step 3: Cross multiply
    205,076,824.40x = 307,615,236.60 × 189,505,470.80
  4. Step 4: Simplify right side
    205,076,824.40x = 58,294,770,237,136,400
  5. Step 5: Solve for x
    x = 58,294,770,237,136,400/205,076,824.40
  6. Step 6: Final answer
    x = 284,258,206.20

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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.