Home / 168,445,540.38-252,630,113.07-76,268,427.57

Finding the Fourth Proportional to 168,445,540.38, 252,630,113.07 and 76,268,427.57

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Solution

The fourth proportional to 168,445,540.38, 252,630,113.07 and 76,268,427.57 is: 114,385,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,445,540.38 : 252,630,113.07 = 76,268,427.57 : x
  2. Step 2: Convert to fraction form
    168,445,540.38/252,630,113.07 = 76,268,427.57/x
  3. Step 3: Cross multiply
    168,445,540.38x = 252,630,113.07 × 76,268,427.57
  4. Step 4: Simplify right side
    168,445,540.38x = 19,267,701,480,680,204
  5. Step 5: Solve for x
    x = 19,267,701,480,680,204/168,445,540.38
  6. Step 6: Final answer
    x = 114,385,346.37

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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.