Home / 231,835,003.20-347,752,504.80-214,317,230.40

Finding the Fourth Proportional to 231,835,003.20, 347,752,504.80 and 214,317,230.40

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Solution

The fourth proportional to 231,835,003.20, 347,752,504.80 and 214,317,230.40 is: 321,475,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835,003.20 : 347,752,504.80 = 214,317,230.40 : x
  2. Step 2: Convert to fraction form
    231,835,003.20/347,752,504.80 = 214,317,230.40/x
  3. Step 3: Cross multiply
    231,835,003.20x = 347,752,504.80 × 214,317,230.40
  4. Step 4: Simplify right side
    231,835,003.20x = 74,529,353,693,398,704
  5. Step 5: Solve for x
    x = 74,529,353,693,398,704/231,835,003.20
  6. Step 6: Final answer
    x = 321,475,845.60

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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.