Finding the Fourth Proportional to 112,267,228.80, 168,400,843.20 and 75,987,523.20
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Solution
The fourth proportional to 112,267,228.80, 168,400,843.20 and 75,987,523.20 is: 113,981,284.80
Step by Step Solution
- Step 1: Write the proportion equation
112,267,228.80 : 168,400,843.20 = 75,987,523.20 : x - Step 2: Convert to fraction form
112,267,228.80/168,400,843.20 = 75,987,523.20/x - Step 3: Cross multiply
112,267,228.80x = 168,400,843.20 × 75,987,523.20 - Step 4: Simplify right side
112,267,228.80x = 12,796,362,979,559,562 - Step 5: Solve for x
x = 12,796,362,979,559,562/112,267,228.80 - Step 6: Final answer
x = 113,981,284.80
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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.