Finding the Fourth Proportional to 122,393,061.45, 183,589,592.18 and 115,212,703.05
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Solution
The fourth proportional to 122,393,061.45, 183,589,592.18 and 115,212,703.05 is: 172,819,054.58
Step by Step Solution
- Step 1: Write the proportion equation
122,393,061.45 : 183,589,592.18 = 115,212,703.05 : x - Step 2: Convert to fraction form
122,393,061.45/183,589,592.18 = 115,212,703.05/x - Step 3: Cross multiply
122,393,061.45x = 183,589,592.18 × 115,212,703.05 - Step 4: Simplify right side
122,393,061.45x = 21,151,853,166,328,880 - Step 5: Solve for x
x = 21,151,853,166,328,880/122,393,061.45 - Step 6: Final answer
x = 172,819,054.58
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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.