Finding the Fourth Proportional to 55,650,650.08, 76,786,396.84 and 32,128,779.20
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Solution
The fourth proportional to 55,650,650.08, 76,786,396.84 and 32,128,779.20 is: 44,331,075.85
Step by Step Solution
- Step 1: Write the proportion equation
55,650,650.08 : 76,786,396.84 = 32,128,779.20 : x - Step 2: Convert to fraction form
55,650,650.08/76,786,396.84 = 32,128,779.20/x - Step 3: Cross multiply
55,650,650.08x = 76,786,396.84 × 32,128,779.20 - Step 4: Simplify right side
55,650,650.08x = 2,467,053,189,635,938 - Step 5: Solve for x
x = 2,467,053,189,635,938/55,650,650.08 - Step 6: Final answer
x = 44,331,075.85
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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.