Finding the Fourth Proportional to 112,269,082.20, 168,403,623.30 and 110,757,427.80
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Solution
The fourth proportional to 112,269,082.20, 168,403,623.30 and 110,757,427.80 is: 166,136,141.70
Step by Step Solution
- Step 1: Write the proportion equation
112,269,082.20 : 168,403,623.30 = 110,757,427.80 : x - Step 2: Convert to fraction form
112,269,082.20/168,403,623.30 = 110,757,427.80/x - Step 3: Cross multiply
112,269,082.20x = 168,403,623.30 × 110,757,427.80 - Step 4: Simplify right side
112,269,082.20x = 18,651,952,148,908,148 - Step 5: Solve for x
x = 18,651,952,148,908,148/112,269,082.20 - Step 6: Final answer
x = 166,136,141.70
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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.