Finding the Fourth Proportional to 191,718,230.70, 287,577,346.05 and 161,107,229.10
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Solution
The fourth proportional to 191,718,230.70, 287,577,346.05 and 161,107,229.10 is: 241,660,843.65
Step by Step Solution
- Step 1: Write the proportion equation
191,718,230.70 : 287,577,346.05 = 161,107,229.10 : x - Step 2: Convert to fraction form
191,718,230.70/287,577,346.05 = 161,107,229.10/x - Step 3: Cross multiply
191,718,230.70x = 287,577,346.05 × 161,107,229.10 - Step 4: Simplify right side
191,718,230.70x = 46,330,789,374,047,328 - Step 5: Solve for x
x = 46,330,789,374,047,328/191,718,230.70 - Step 6: Final answer
x = 241,660,843.65
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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.