Finding the Fourth Proportional to 54,082,907.42, 81,067,674.08 and 19,982,503.58
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Solution
The fourth proportional to 54,082,907.42, 81,067,674.08 and 19,982,503.58 is: 29,952,810.69
Step by Step Solution
- Step 1: Write the proportion equation
54,082,907.42 : 81,067,674.08 = 19,982,503.58 : x - Step 2: Convert to fraction form
54,082,907.42/81,067,674.08 = 19,982,503.58/x - Step 3: Cross multiply
54,082,907.42x = 81,067,674.08 × 19,982,503.58 - Step 4: Simplify right side
54,082,907.42x = 1,619,935,087,170,491 - Step 5: Solve for x
x = 1,619,935,087,170,491/54,082,907.42 - Step 6: Final answer
x = 29,952,810.69
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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.