Finding the Fourth Proportional to 132,899,081.80, 199,348,622.70 and 98,886,857.80
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Solution
The fourth proportional to 132,899,081.80, 199,348,622.70 and 98,886,857.80 is: 148,330,286.70
Step by Step Solution
- Step 1: Write the proportion equation
132,899,081.80 : 199,348,622.70 = 98,886,857.80 : x - Step 2: Convert to fraction form
132,899,081.80/199,348,622.70 = 98,886,857.80/x - Step 3: Cross multiply
132,899,081.80x = 199,348,622.70 × 98,886,857.80 - Step 4: Simplify right side
132,899,081.80x = 19,712,958,905,560,752 - Step 5: Solve for x
x = 19,712,958,905,560,752/132,899,081.80 - Step 6: Final answer
x = 148,330,286.70
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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.