Finding the Fourth Proportional to 132,006,809.80, 198,010,214.70 and 96,175,001.80
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Solution
The fourth proportional to 132,006,809.80, 198,010,214.70 and 96,175,001.80 is: 144,262,502.70
Step by Step Solution
- Step 1: Write the proportion equation
132,006,809.80 : 198,010,214.70 = 96,175,001.80 : x - Step 2: Convert to fraction form
132,006,809.80/198,010,214.70 = 96,175,001.80/x - Step 3: Cross multiply
132,006,809.80x = 198,010,214.70 × 96,175,001.80 - Step 4: Simplify right side
132,006,809.80x = 19,043,632,755,190,884 - Step 5: Solve for x
x = 19,043,632,755,190,884/132,006,809.80 - Step 6: Final answer
x = 144,262,502.70
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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.