Home / 318,449,375.58-439,595,732.43-214,087,975.50

Finding the Fourth Proportional to 318,449,375.58, 439,595,732.43 and 214,087,975.50

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Solution

The fourth proportional to 318,449,375.58, 439,595,732.43 and 214,087,975.50 is: 295,532,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,449,375.58 : 439,595,732.43 = 214,087,975.50 : x
  2. Step 2: Convert to fraction form
    318,449,375.58/439,595,732.43 = 214,087,975.50/x
  3. Step 3: Cross multiply
    318,449,375.58x = 439,595,732.43 × 214,087,975.50
  4. Step 4: Simplify right side
    318,449,375.58x = 94,112,160,394,378,400
  5. Step 5: Solve for x
    x = 94,112,160,394,378,400/318,449,375.58
  6. Step 6: Final answer
    x = 295,532,563.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.