Finding the Fourth Proportional to 214,017,474.15, 295,362,328.82 and 121,214,491.11
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Solution
The fourth proportional to 214,017,474.15, 295,362,328.82 and 121,214,491.11 is: 167,286,313.99
Step by Step Solution
- Step 1: Write the proportion equation
214,017,474.15 : 295,362,328.82 = 121,214,491.11 : x - Step 2: Convert to fraction form
214,017,474.15/295,362,328.82 = 121,214,491.11/x - Step 3: Cross multiply
214,017,474.15x = 295,362,328.82 × 121,214,491.11 - Step 4: Simplify right side
214,017,474.15x = 35,802,194,380,980,784 - Step 5: Solve for x
x = 35,802,194,380,980,784/214,017,474.15 - Step 6: Final answer
x = 167,286,313.99
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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.