Home / 416,449,992.15-624,745,217.75-140,035,499.21

Finding the Fourth Proportional to 416,449,992.15, 624,745,217.75 and 140,035,499.21

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Solution

The fourth proportional to 416,449,992.15, 624,745,217.75 and 140,035,499.21 is: 210,076,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,449,992.15 : 624,745,217.75 = 140,035,499.21 : x
  2. Step 2: Convert to fraction form
    416,449,992.15/624,745,217.75 = 140,035,499.21/x
  3. Step 3: Cross multiply
    416,449,992.15x = 624,745,217.75 × 140,035,499.21
  4. Step 4: Simplify right side
    416,449,992.15x = 87,486,508,447,951,184
  5. Step 5: Solve for x
    x = 87,486,508,447,951,184/416,449,992.15
  6. Step 6: Final answer
    x = 210,076,864.20

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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.