Home / 168,179,311.28-252,089,605.58-64,508,458.20

Finding the Fourth Proportional to 168,179,311.28, 252,089,605.58 and 64,508,458.20

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Solution

The fourth proportional to 168,179,311.28, 252,089,605.58 and 64,508,458.20 is: 96,693,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179,311.28 : 252,089,605.58 = 64,508,458.20 : x
  2. Step 2: Convert to fraction form
    168,179,311.28/252,089,605.58 = 64,508,458.20/x
  3. Step 3: Cross multiply
    168,179,311.28x = 252,089,605.58 × 64,508,458.20
  4. Step 4: Simplify right side
    168,179,311.28x = 16,261,911,783,889,374
  5. Step 5: Solve for x
    x = 16,261,911,783,889,374/168,179,311.28
  6. Step 6: Final answer
    x = 96,693,889.76

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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.