Finding the Fourth Proportional to 198,428,163.62, 273,846,187.53 and 119,046,201.80
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Solution
The fourth proportional to 198,428,163.62, 273,846,187.53 and 119,046,201.80 is: 164,292,950.70
Step by Step Solution
- Step 1: Write the proportion equation
198,428,163.62 : 273,846,187.53 = 119,046,201.80 : x - Step 2: Convert to fraction form
198,428,163.62/273,846,187.53 = 119,046,201.80/x - Step 3: Cross multiply
198,428,163.62x = 273,846,187.53 × 119,046,201.80 - Step 4: Simplify right side
198,428,163.62x = 32,600,348,501,487,788 - Step 5: Solve for x
x = 32,600,348,501,487,788/198,428,163.62 - Step 6: Final answer
x = 164,292,950.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.