Finding the Fourth Proportional to 81,576,595.80, 122,364,893.70 and 27,723,907.80
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Solution
The fourth proportional to 81,576,595.80, 122,364,893.70 and 27,723,907.80 is: 41,585,861.70
Step by Step Solution
- Step 1: Write the proportion equation
81,576,595.80 : 122,364,893.70 = 27,723,907.80 : x - Step 2: Convert to fraction form
81,576,595.80/122,364,893.70 = 27,723,907.80/x - Step 3: Cross multiply
81,576,595.80x = 122,364,893.70 × 27,723,907.80 - Step 4: Simplify right side
81,576,595.80x = 3,392,433,030,895,601 - Step 5: Solve for x
x = 3,392,433,030,895,601/81,576,595.80 - Step 6: Final answer
x = 41,585,861.70
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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.