Home / 294,039,772.88-405,767,469.96-161,879,450.36

Finding the Fourth Proportional to 294,039,772.88, 405,767,469.96 and 161,879,450.36

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Solution

The fourth proportional to 294,039,772.88, 405,767,469.96 and 161,879,450.36 is: 223,389,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,039,772.88 : 405,767,469.96 = 161,879,450.36 : x
  2. Step 2: Convert to fraction form
    294,039,772.88/405,767,469.96 = 161,879,450.36/x
  3. Step 3: Cross multiply
    294,039,772.88x = 405,767,469.96 × 161,879,450.36
  4. Step 4: Simplify right side
    294,039,772.88x = 65,685,415,011,092,616
  5. Step 5: Solve for x
    x = 65,685,415,011,092,616/294,039,772.88
  6. Step 6: Final answer
    x = 223,389,558.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.