Finding the Fourth Proportional to 144,946,855.70, 217,420,283.55 and 49,208,743.70
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Solution
The fourth proportional to 144,946,855.70, 217,420,283.55 and 49,208,743.70 is: 73,813,115.55
Step by Step Solution
- Step 1: Write the proportion equation
144,946,855.70 : 217,420,283.55 = 49,208,743.70 : x - Step 2: Convert to fraction form
144,946,855.70/217,420,283.55 = 49,208,743.70/x - Step 3: Cross multiply
144,946,855.70x = 217,420,283.55 × 49,208,743.70 - Step 4: Simplify right side
144,946,855.70x = 10,698,979,008,393,278 - Step 5: Solve for x
x = 10,698,979,008,393,278/144,946,855.70 - Step 6: Final answer
x = 73,813,115.55
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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.