Finding the Fourth Proportional to 132,029,716.70, 198,043,590.90 and 39,913,276.70
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Solution
The fourth proportional to 132,029,716.70, 198,043,590.90 and 39,913,276.70 is: 59,869,617.54
Step by Step Solution
- Step 1: Write the proportion equation
132,029,716.70 : 198,043,590.90 = 39,913,276.70 : x - Step 2: Convert to fraction form
132,029,716.70/198,043,590.90 = 39,913,276.70/x - Step 3: Cross multiply
132,029,716.70x = 198,043,590.90 × 39,913,276.70 - Step 4: Simplify right side
132,029,716.70x = 7,904,568,642,253,303 - Step 5: Solve for x
x = 7,904,568,642,253,303/132,029,716.70 - Step 6: Final answer
x = 59,869,617.54
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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.