Finding the Fourth Proportional to 112,292,891.80, 168,439,337.70 and 27,192,347.80
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Solution
The fourth proportional to 112,292,891.80, 168,439,337.70 and 27,192,347.80 is: 40,788,521.70
Step by Step Solution
- Step 1: Write the proportion equation
112,292,891.80 : 168,439,337.70 = 27,192,347.80 : x - Step 2: Convert to fraction form
112,292,891.80/168,439,337.70 = 27,192,347.80/x - Step 3: Cross multiply
112,292,891.80x = 168,439,337.70 × 27,192,347.80 - Step 4: Simplify right side
112,292,891.80x = 4,580,261,053,940,052 - Step 5: Solve for x
x = 4,580,261,053,940,052/112,292,891.80 - Step 6: Final answer
x = 40,788,521.70
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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.