Home / 231,731,670.96-347,682,274.56-218,041,750.80

Finding the Fourth Proportional to 231,731,670.96, 347,682,274.56 and 218,041,750.80

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Solution

The fourth proportional to 231,731,670.96, 347,682,274.56 and 218,041,750.80 is: 327,142,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,731,670.96 : 347,682,274.56 = 218,041,750.80 : x
  2. Step 2: Convert to fraction form
    231,731,670.96/347,682,274.56 = 218,041,750.80/x
  3. Step 3: Cross multiply
    231,731,670.96x = 347,682,274.56 × 218,041,750.80
  4. Step 4: Simplify right side
    231,731,670.96x = 75,809,251,867,188,704
  5. Step 5: Solve for x
    x = 75,809,251,867,188,704/231,731,670.96
  6. Step 6: Final answer
    x = 327,142,386.51

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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.