Finding the Fourth Proportional to 163,933,378.80, 246,183,503.40 and 87,405,874.80
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Solution
The fourth proportional to 163,933,378.80, 246,183,503.40 and 87,405,874.80 is: 131,259,933.97
Step by Step Solution
- Step 1: Write the proportion equation
163,933,378.80 : 246,183,503.40 = 87,405,874.80 : x - Step 2: Convert to fraction form
163,933,378.80/246,183,503.40 = 87,405,874.80/x - Step 3: Cross multiply
163,933,378.80x = 246,183,503.40 × 87,405,874.80 - Step 4: Simplify right side
163,933,378.80x = 21,517,884,476,005,776 - Step 5: Solve for x
x = 21,517,884,476,005,776/163,933,378.80 - Step 6: Final answer
x = 131,259,933.97
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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.