Finding the Fourth Proportional to 76,432,944.24, 105,476,729.04 and 41,626,216.08
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Solution
The fourth proportional to 76,432,944.24, 105,476,729.04 and 41,626,216.08 is: 57,443,778.44
Step by Step Solution
- Step 1: Write the proportion equation
76,432,944.24 : 105,476,729.04 = 41,626,216.08 : x - Step 2: Convert to fraction form
76,432,944.24/105,476,729.04 = 41,626,216.08/x - Step 3: Cross multiply
76,432,944.24x = 105,476,729.04 × 41,626,216.08 - Step 4: Simplify right side
76,432,944.24x = 4,390,597,114,430,651 - Step 5: Solve for x
x = 4,390,597,114,430,651/76,432,944.24 - Step 6: Final answer
x = 57,443,778.44
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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.