Finding the Fourth Proportional to 122,498,274.01, 169,045,489.68 and 66,744,152.59
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Solution
The fourth proportional to 122,498,274.01, 169,045,489.68 and 66,744,152.59 is: 92,105,770.87
Step by Step Solution
- Step 1: Write the proportion equation
122,498,274.01 : 169,045,489.68 = 66,744,152.59 : x - Step 2: Convert to fraction form
122,498,274.01/169,045,489.68 = 66,744,152.59/x - Step 3: Cross multiply
122,498,274.01x = 169,045,489.68 × 66,744,152.59 - Step 4: Simplify right side
122,498,274.01x = 11,282,797,957,853,192 - Step 5: Solve for x
x = 11,282,797,957,853,192/122,498,274.01 - Step 6: Final answer
x = 92,105,770.87
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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.