Finding the Fourth Proportional to 162,802,454.80, 224,668,806.60 and 88,463,015.09
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Solution
The fourth proportional to 162,802,454.80, 224,668,806.60 and 88,463,015.09 is: 122,079,731.86
Step by Step Solution
- Step 1: Write the proportion equation
162,802,454.80 : 224,668,806.60 = 88,463,015.09 : x - Step 2: Convert to fraction form
162,802,454.80/224,668,806.60 = 88,463,015.09/x - Step 3: Cross multiply
162,802,454.80x = 224,668,806.60 × 88,463,015.09 - Step 4: Simplify right side
162,802,454.80x = 19,874,880,027,384,744 - Step 5: Solve for x
x = 19,874,880,027,384,744/162,802,454.80 - Step 6: Final answer
x = 122,079,731.86
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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.