Finding the Fourth Proportional to 186,791,633.70, 279,431,623.35 and 164,116,817.70
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Solution
The fourth proportional to 186,791,633.70, 279,431,623.35 and 164,116,817.70 is: 245,511,149.94
Step by Step Solution
- Step 1: Write the proportion equation
186,791,633.70 : 279,431,623.35 = 164,116,817.70 : x - Step 2: Convert to fraction form
186,791,633.70/279,431,623.35 = 164,116,817.70/x - Step 3: Cross multiply
186,791,633.70x = 279,431,623.35 × 164,116,817.70 - Step 4: Simplify right side
186,791,633.70x = 45,859,428,788,947,016 - Step 5: Solve for x
x = 45,859,428,788,947,016/186,791,633.70 - Step 6: Final answer
x = 245,511,149.94
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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.