Finding the Fourth Proportional to 61,991,238.87, 85,548,694.19 and 34,117,158.42
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Solution
The fourth proportional to 61,991,238.87, 85,548,694.19 and 34,117,158.42 is: 47,082,110.40
Step by Step Solution
- Step 1: Write the proportion equation
61,991,238.87 : 85,548,694.19 = 34,117,158.42 : x - Step 2: Convert to fraction form
61,991,238.87/85,548,694.19 = 34,117,158.42/x - Step 3: Cross multiply
61,991,238.87x = 85,548,694.19 × 34,117,158.42 - Step 4: Simplify right side
61,991,238.87x = 2,918,678,352,133,778 - Step 5: Solve for x
x = 2,918,678,352,133,778/61,991,238.87 - Step 6: Final answer
x = 47,082,110.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.