Finding the Fourth Proportional to 168,516,218.70, 252,774,328.05 and 123,166,586.70
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Solution
The fourth proportional to 168,516,218.70, 252,774,328.05 and 123,166,586.70 is: 184,749,880.05
Step by Step Solution
- Step 1: Write the proportion equation
168,516,218.70 : 252,774,328.05 = 123,166,586.70 : x - Step 2: Convert to fraction form
168,516,218.70/252,774,328.05 = 123,166,586.70/x - Step 3: Cross multiply
168,516,218.70x = 252,774,328.05 × 123,166,586.70 - Step 4: Simplify right side
168,516,218.70x = 31,133,351,191,304,568 - Step 5: Solve for x
x = 31,133,351,191,304,568/168,516,218.70 - Step 6: Final answer
x = 184,749,880.05
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Similar ratio
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1.5x scale
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.