Finding the Fourth Proportional to 254,982,990.70, 382,474,486.05 and 82,583,530.30
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Solution
The fourth proportional to 254,982,990.70, 382,474,486.05 and 82,583,530.30 is: 123,875,295.45
Step by Step Solution
- Step 1: Write the proportion equation
254,982,990.70 : 382,474,486.05 = 82,583,530.30 : x - Step 2: Convert to fraction form
254,982,990.70/382,474,486.05 = 82,583,530.30/x - Step 3: Cross multiply
254,982,990.70x = 382,474,486.05 × 82,583,530.30 - Step 4: Simplify right side
254,982,990.70x = 31,586,093,307,687,104 - Step 5: Solve for x
x = 31,586,093,307,687,104/254,982,990.70 - Step 6: Final answer
x = 123,875,295.45
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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.