Finding the Fourth Proportional to 112,412,794.14, 155,082,153.60 and 75,255,046.07
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Solution
The fourth proportional to 112,412,794.14, 155,082,153.60 and 75,255,046.07 is: 103,820,163.02
Step by Step Solution
- Step 1: Write the proportion equation
112,412,794.14 : 155,082,153.60 = 75,255,046.07 : x - Step 2: Convert to fraction form
112,412,794.14/155,082,153.60 = 75,255,046.07/x - Step 3: Cross multiply
112,412,794.14x = 155,082,153.60 × 75,255,046.07 - Step 4: Simplify right side
112,412,794.14x = 11,670,714,613,027,404 - Step 5: Solve for x
x = 11,670,714,613,027,404/112,412,794.14 - Step 6: Final answer
x = 103,820,163.02
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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.