Finding the Fourth Proportional to 193,162,402.80, 289,743,604.20 and 179,557,513.20
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Solution
The fourth proportional to 193,162,402.80, 289,743,604.20 and 179,557,513.20 is: 269,336,269.80
Step by Step Solution
- Step 1: Write the proportion equation
193,162,402.80 : 289,743,604.20 = 179,557,513.20 : x - Step 2: Convert to fraction form
193,162,402.80/289,743,604.20 = 179,557,513.20/x - Step 3: Cross multiply
193,162,402.80x = 289,743,604.20 × 179,557,513.20 - Step 4: Simplify right side
193,162,402.80x = 52,025,641,035,757,072 - Step 5: Solve for x
x = 52,025,641,035,757,072/193,162,402.80 - Step 6: Final answer
x = 269,336,269.80
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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.