Home / 208,647,005.87-312,979,020.11-53,204,845.16

Finding the Fourth Proportional to 208,647,005.87, 312,979,020.11 and 53,204,845.16

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Solution

The fourth proportional to 208,647,005.87, 312,979,020.11 and 53,204,845.16 is: 79,809,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,647,005.87 : 312,979,020.11 = 53,204,845.16 : x
  2. Step 2: Convert to fraction form
    208,647,005.87/312,979,020.11 = 53,204,845.16/x
  3. Step 3: Cross multiply
    208,647,005.87x = 312,979,020.11 × 53,204,845.16
  4. Step 4: Simplify right side
    208,647,005.87x = 16,652,000,301,450,158
  5. Step 5: Solve for x
    x = 16,652,000,301,450,158/208,647,005.87
  6. Step 6: Final answer
    x = 79,809,438.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.