Finding the Fourth Proportional to 132,029,708.70, 198,043,578.90 and 39,913,268.70
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Solution
The fourth proportional to 132,029,708.70, 198,043,578.90 and 39,913,268.70 is: 59,869,605.54
Step by Step Solution
- Step 1: Write the proportion equation
132,029,708.70 : 198,043,578.90 = 39,913,268.70 : x - Step 2: Convert to fraction form
132,029,708.70/198,043,578.90 = 39,913,268.70/x - Step 3: Cross multiply
132,029,708.70x = 198,043,578.90 × 39,913,268.70 - Step 4: Simplify right side
132,029,708.70x = 7,904,566,578,945,351 - Step 5: Solve for x
x = 7,904,566,578,945,351/132,029,708.70 - Step 6: Final answer
x = 59,869,605.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.