Home / 231,835,741.20-347,753,611.80-214,317,968.40

Finding the Fourth Proportional to 231,835,741.20, 347,753,611.80 and 214,317,968.40

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Solution

The fourth proportional to 231,835,741.20, 347,753,611.80 and 214,317,968.40 is: 321,476,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835,741.20 : 347,753,611.80 = 214,317,968.40 : x
  2. Step 2: Convert to fraction form
    231,835,741.20/347,753,611.80 = 214,317,968.40/x
  3. Step 3: Cross multiply
    231,835,741.20x = 347,753,611.80 × 214,317,968.40
  4. Step 4: Simplify right side
    231,835,741.20x = 74,529,847,584,738,272
  5. Step 5: Solve for x
    x = 74,529,847,584,738,272/231,835,741.20
  6. Step 6: Final answer
    x = 321,476,952.60

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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.