Home / 231,840,019.20-347,760,028.80-214,322,246.40

Finding the Fourth Proportional to 231,840,019.20, 347,760,028.80 and 214,322,246.40

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Solution

The fourth proportional to 231,840,019.20, 347,760,028.80 and 214,322,246.40 is: 321,483,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840,019.20 : 347,760,028.80 = 214,322,246.40 : x
  2. Step 2: Convert to fraction form
    231,840,019.20/347,760,028.80 = 214,322,246.40/x
  3. Step 3: Cross multiply
    231,840,019.20x = 347,760,028.80 × 214,322,246.40
  4. Step 4: Simplify right side
    231,840,019.20x = 74,532,710,580,544,704
  5. Step 5: Solve for x
    x = 74,532,710,580,544,704/231,840,019.20
  6. Step 6: Final answer
    x = 321,483,369.60

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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.