Home / 416,449,982.43-624,745,203.00-140,035,489.55

Finding the Fourth Proportional to 416,449,982.43, 624,745,203.00 and 140,035,489.55

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Solution

The fourth proportional to 416,449,982.43, 624,745,203.00 and 140,035,489.55 is: 210,076,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,449,982.43 : 624,745,203.00 = 140,035,489.55 : x
  2. Step 2: Convert to fraction form
    416,449,982.43/624,745,203.00 = 140,035,489.55/x
  3. Step 3: Cross multiply
    416,449,982.43x = 624,745,203.00 × 140,035,489.55
  4. Step 4: Simplify right side
    416,449,982.43x = 87,486,500,342,470,272
  5. Step 5: Solve for x
    x = 87,486,500,342,470,272/416,449,982.43
  6. Step 6: Final answer
    x = 210,076,849.64

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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.