Home / 192,019,559.94-287,912,704.38-75,295,078.31

Finding the Fourth Proportional to 192,019,559.94, 287,912,704.38 and 75,295,078.31

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Solution

The fourth proportional to 192,019,559.94, 287,912,704.38 and 75,295,078.31 is: 112,896,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,019,559.94 : 287,912,704.38 = 75,295,078.31 : x
  2. Step 2: Convert to fraction form
    192,019,559.94/287,912,704.38 = 75,295,078.31/x
  3. Step 3: Cross multiply
    192,019,559.94x = 287,912,704.38 × 75,295,078.31
  4. Step 4: Simplify right side
    192,019,559.94x = 21,678,409,622,735,980
  5. Step 5: Solve for x
    x = 21,678,409,622,735,980/192,019,559.94
  6. Step 6: Final answer
    x = 112,896,882.12

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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.