Finding the Fourth Proportional to 104,618,468.80, 144,393,474.72 and 69,273,933.28
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Solution
The fourth proportional to 104,618,468.80, 144,393,474.72 and 69,273,933.28 is: 95,611,262.99
Step by Step Solution
- Step 1: Write the proportion equation
104,618,468.80 : 144,393,474.72 = 69,273,933.28 : x - Step 2: Convert to fraction form
104,618,468.80/144,393,474.72 = 69,273,933.28/x - Step 3: Cross multiply
104,618,468.80x = 144,393,474.72 × 69,273,933.28 - Step 4: Simplify right side
104,618,468.80x = 10,002,703,933,820,646 - Step 5: Solve for x
x = 10,002,703,933,820,646/104,618,468.80 - Step 6: Final answer
x = 95,611,262.99
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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.