Finding the Fourth Proportional to 120,579,050.50, 180,795,755.14 and 54,093,304.14
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Solution
The fourth proportional to 120,579,050.50, 180,795,755.14 and 54,093,304.14 is: 81,107,287.95
Step by Step Solution
- Step 1: Write the proportion equation
120,579,050.50 : 180,795,755.14 = 54,093,304.14 : x - Step 2: Convert to fraction form
120,579,050.50/180,795,755.14 = 54,093,304.14/x - Step 3: Cross multiply
120,579,050.50x = 180,795,755.14 × 54,093,304.14 - Step 4: Simplify right side
120,579,050.50x = 9,779,839,770,008,988 - Step 5: Solve for x
x = 9,779,839,770,008,988/120,579,050.50 - Step 6: Final answer
x = 81,107,287.95
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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.