Finding the Fourth Proportional to 132,279,267.84, 182,549,344.80 and 72,737,471.04
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Solution
The fourth proportional to 132,279,267.84, 182,549,344.80 and 72,737,471.04 is: 100,379,884.90
Step by Step Solution
- Step 1: Write the proportion equation
132,279,267.84 : 182,549,344.80 = 72,737,471.04 : x - Step 2: Convert to fraction form
132,279,267.84/182,549,344.80 = 72,737,471.04/x - Step 3: Cross multiply
132,279,267.84x = 182,549,344.80 × 72,737,471.04 - Step 4: Simplify right side
132,279,267.84x = 13,278,177,680,760,976 - Step 5: Solve for x
x = 13,278,177,680,760,976/132,279,267.84 - Step 6: Final answer
x = 100,379,884.90
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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.