Home / 318,531,093.66-477,309,912.39-214,515,689.67

Finding the Fourth Proportional to 318,531,093.66, 477,309,912.39 and 214,515,689.67

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Solution

The fourth proportional to 318,531,093.66, 477,309,912.39 and 214,515,689.67 is: 321,445,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,531,093.66 : 477,309,912.39 = 214,515,689.67 : x
  2. Step 2: Convert to fraction form
    318,531,093.66/477,309,912.39 = 214,515,689.67/x
  3. Step 3: Cross multiply
    318,531,093.66x = 477,309,912.39 × 214,515,689.67
  4. Step 4: Simplify right side
    318,531,093.66x = 102,390,465,042,668,112
  5. Step 5: Solve for x
    x = 102,390,465,042,668,112/318,531,093.66
  6. Step 6: Final answer
    x = 321,445,746.05

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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.