Finding the Fourth Proportional to 76,045,161.96, 104,942,351.39 and 41,237,843.18
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Solution
The fourth proportional to 76,045,161.96, 104,942,351.39 and 41,237,843.18 is: 56,908,238.70
Step by Step Solution
- Step 1: Write the proportion equation
76,045,161.96 : 104,942,351.39 = 41,237,843.18 : x - Step 2: Convert to fraction form
76,045,161.96/104,942,351.39 = 41,237,843.18/x - Step 3: Cross multiply
76,045,161.96x = 104,942,351.39 × 41,237,843.18 - Step 4: Simplify right side
76,045,161.96x = 4,327,596,228,830,374 - Step 5: Solve for x
x = 4,327,596,228,830,374/76,045,161.96 - Step 6: Final answer
x = 56,908,238.70
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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.