Finding the Fourth Proportional to 121,442,473.66, 182,163,563.88 and 39,561,218.37
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Solution
The fourth proportional to 121,442,473.66, 182,163,563.88 and 39,561,218.37 is: 59,341,779.80
Step by Step Solution
- Step 1: Write the proportion equation
121,442,473.66 : 182,163,563.88 = 39,561,218.37 : x - Step 2: Convert to fraction form
121,442,473.66/182,163,563.88 = 39,561,218.37/x - Step 3: Cross multiply
121,442,473.66x = 182,163,563.88 × 39,561,218.37 - Step 4: Simplify right side
121,442,473.66x = 7,206,612,529,714,124 - Step 5: Solve for x
x = 7,206,612,529,714,124/121,442,473.66 - Step 6: Final answer
x = 59,341,779.80
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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.