Finding the Fourth Proportional to 200,304,576.21, 276,421,938.63 and 110,998,012.44
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Solution
The fourth proportional to 200,304,576.21, 276,421,938.63 and 110,998,012.44 is: 153,178,156.80
Step by Step Solution
- Step 1: Write the proportion equation
200,304,576.21 : 276,421,938.63 = 110,998,012.44 : x - Step 2: Convert to fraction form
200,304,576.21/276,421,938.63 = 110,998,012.44/x - Step 3: Cross multiply
200,304,576.21x = 276,421,938.63 × 110,998,012.44 - Step 4: Simplify right side
200,304,576.21x = 30,682,285,782,741,656 - Step 5: Solve for x
x = 30,682,285,782,741,656/200,304,576.21 - Step 6: Final answer
x = 153,178,156.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.