Home / 208,580,563.56-312,882,801.66-55,222,635

Finding the Fourth Proportional to 208,580,563.56, 312,882,801.66 and 55,222,635

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Solution

The fourth proportional to 208,580,563.56, 312,882,801.66 and 55,222,635 is: 82,837,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,580,563.56 : 312,882,801.66 = 55,222,635 : x
  2. Step 2: Convert to fraction form
    208,580,563.56/312,882,801.66 = 55,222,635/x
  3. Step 3: Cross multiply
    208,580,563.56x = 312,882,801.66 × 55,222,635
  4. Step 4: Simplify right side
    208,580,563.56x = 17,278,212,753,847,576
  5. Step 5: Solve for x
    x = 17,278,212,753,847,576/208,580,563.56
  6. Step 6: Final answer
    x = 82,837,117.99

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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.