Home / 217,079,993.80-325,525,512.30-71,457,286.60

Finding the Fourth Proportional to 217,079,993.80, 325,525,512.30 and 71,457,286.60

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Solution

The fourth proportional to 217,079,993.80, 325,525,512.30 and 71,457,286.60 is: 107,154,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,079,993.80 : 325,525,512.30 = 71,457,286.60 : x
  2. Step 2: Convert to fraction form
    217,079,993.80/325,525,512.30 = 71,457,286.60/x
  3. Step 3: Cross multiply
    217,079,993.80x = 325,525,512.30 × 71,457,286.60
  4. Step 4: Simplify right side
    217,079,993.80x = 23,261,169,828,032,924
  5. Step 5: Solve for x
    x = 23,261,169,828,032,924/217,079,993.80
  6. Step 6: Final answer
    x = 107,154,829.98

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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.