Home / 202,352,861.88-303,508,865.54-137,192,382.66

Finding the Fourth Proportional to 202,352,861.88, 303,508,865.54 and 137,192,382.66

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Solution

The fourth proportional to 202,352,861.88, 303,508,865.54 and 137,192,382.66 is: 205,774,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,352,861.88 : 303,508,865.54 = 137,192,382.66 : x
  2. Step 2: Convert to fraction form
    202,352,861.88/303,508,865.54 = 137,192,382.66/x
  3. Step 3: Cross multiply
    202,352,861.88x = 303,508,865.54 × 137,192,382.66
  4. Step 4: Simplify right side
    202,352,861.88x = 41,639,104,421,866,168
  5. Step 5: Solve for x
    x = 41,639,104,421,866,168/202,352,861.88
  6. Step 6: Final answer
    x = 205,774,724.58

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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.