Finding the Fourth Proportional to 186,984,080.70, 280,476,121.05 and 106,362,512.70
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Solution
The fourth proportional to 186,984,080.70, 280,476,121.05 and 106,362,512.70 is: 159,543,769.05
Step by Step Solution
- Step 1: Write the proportion equation
186,984,080.70 : 280,476,121.05 = 106,362,512.70 : x - Step 2: Convert to fraction form
186,984,080.70/280,476,121.05 = 106,362,512.70/x - Step 3: Cross multiply
186,984,080.70x = 280,476,121.05 × 106,362,512.70 - Step 4: Simplify right side
186,984,080.70x = 29,832,144,987,227,364 - Step 5: Solve for x
x = 29,832,144,987,227,364/186,984,080.70 - Step 6: Final answer
x = 159,543,769.05
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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.