Finding the Fourth Proportional to 161,796,343.40, 242,694,515.10 and 93,603,933.80
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Solution
The fourth proportional to 161,796,343.40, 242,694,515.10 and 93,603,933.80 is: 140,405,900.70
Step by Step Solution
- Step 1: Write the proportion equation
161,796,343.40 : 242,694,515.10 = 93,603,933.80 : x - Step 2: Convert to fraction form
161,796,343.40/242,694,515.10 = 93,603,933.80/x - Step 3: Cross multiply
161,796,343.40x = 242,694,515.10 × 93,603,933.80 - Step 4: Simplify right side
161,796,343.40x = 22,717,161,325,043,500 - Step 5: Solve for x
x = 22,717,161,325,043,500/161,796,343.40 - Step 6: Final answer
x = 140,405,900.70
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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.