Finding the Fourth Proportional to 75,918,082.45, 113,853,574.49 and 27,389,627.42
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Solution
The fourth proportional to 75,918,082.45, 113,853,574.49 and 27,389,627.42 is: 41,075,945.09
Step by Step Solution
- Step 1: Write the proportion equation
75,918,082.45 : 113,853,574.49 = 27,389,627.42 : x - Step 2: Convert to fraction form
75,918,082.45/113,853,574.49 = 27,389,627.42/x - Step 3: Cross multiply
75,918,082.45x = 113,853,574.49 × 27,389,627.42 - Step 4: Simplify right side
75,918,082.45x = 3,118,406,985,716,316.50 - Step 5: Solve for x
x = 3,118,406,985,716,316.50/75,918,082.45 - Step 6: Final answer
x = 41,075,945.09
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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.