Home / 331,787,213.40-497,680,820.10-89,474,611.80

Finding the Fourth Proportional to 331,787,213.40, 497,680,820.10 and 89,474,611.80

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Solution

The fourth proportional to 331,787,213.40, 497,680,820.10 and 89,474,611.80 is: 134,211,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,787,213.40 : 497,680,820.10 = 89,474,611.80 : x
  2. Step 2: Convert to fraction form
    331,787,213.40/497,680,820.10 = 89,474,611.80/x
  3. Step 3: Cross multiply
    331,787,213.40x = 497,680,820.10 × 89,474,611.80
  4. Step 4: Simplify right side
    331,787,213.40x = 44,529,798,178,753,136
  5. Step 5: Solve for x
    x = 44,529,798,178,753,136/331,787,213.40
  6. Step 6: Final answer
    x = 134,211,917.70

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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.