Finding the Fourth Proportional to 214,035,154.30, 295,372,382.79 and 121,234,866.94
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Solution
The fourth proportional to 214,035,154.30, 295,372,382.79 and 121,234,866.94 is: 167,306,308.36
Step by Step Solution
- Step 1: Write the proportion equation
214,035,154.30 : 295,372,382.79 = 121,234,866.94 : x - Step 2: Convert to fraction form
214,035,154.30/295,372,382.79 = 121,234,866.94/x - Step 3: Cross multiply
214,035,154.30x = 295,372,382.79 × 121,234,866.94 - Step 4: Simplify right side
214,035,154.30x = 35,809,431,525,296,396 - Step 5: Solve for x
x = 35,809,431,525,296,396/214,035,154.30 - Step 6: Final answer
x = 167,306,308.36
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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.