Home / 140,315,958.38-210,463,819.05-43,261,534.82

Finding the Fourth Proportional to 140,315,958.38, 210,463,819.05 and 43,261,534.82

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Solution

The fourth proportional to 140,315,958.38, 210,463,819.05 and 43,261,534.82 is: 64,889,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,315,958.38 : 210,463,819.05 = 43,261,534.82 : x
  2. Step 2: Convert to fraction form
    140,315,958.38/210,463,819.05 = 43,261,534.82/x
  3. Step 3: Cross multiply
    140,315,958.38x = 210,463,819.05 × 43,261,534.82
  4. Step 4: Simplify right side
    140,315,958.38x = 9,104,987,836,870,144
  5. Step 5: Solve for x
    x = 9,104,987,836,870,144/140,315,958.38
  6. Step 6: Final answer
    x = 64,889,182.54

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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.