Finding the Fourth Proportional to 214,282,409.42, 321,346,544.36 and 74,184,825.62
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Solution
The fourth proportional to 214,282,409.42, 321,346,544.36 and 74,184,825.62 is: 111,250,556.78
Step by Step Solution
- Step 1: Write the proportion equation
214,282,409.42 : 321,346,544.36 = 74,184,825.62 : x - Step 2: Convert to fraction form
214,282,409.42/321,346,544.36 = 74,184,825.62/x - Step 3: Cross multiply
214,282,409.42x = 321,346,544.36 × 74,184,825.62 - Step 4: Simplify right side
214,282,409.42x = 23,839,037,357,368,640 - Step 5: Solve for x
x = 23,839,037,357,368,640/214,282,409.42 - Step 6: Final answer
x = 111,250,556.78
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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.