Finding the Fourth Proportional to 112,327,231.40, 168,490,847.10 and 98,442,405.80
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Solution
The fourth proportional to 112,327,231.40, 168,490,847.10 and 98,442,405.80 is: 147,663,608.70
Step by Step Solution
- Step 1: Write the proportion equation
112,327,231.40 : 168,490,847.10 = 98,442,405.80 : x - Step 2: Convert to fraction form
112,327,231.40/168,490,847.10 = 98,442,405.80/x - Step 3: Cross multiply
112,327,231.40x = 168,490,847.10 × 98,442,405.80 - Step 4: Simplify right side
112,327,231.40x = 16,586,644,343,803,952 - Step 5: Solve for x
x = 16,586,644,343,803,952/112,327,231.40 - Step 6: Final answer
x = 147,663,608.70
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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.