Finding the Fourth Proportional to 136,857,179.13, 188,863,814.05 and 74,133,277.09
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Solution
The fourth proportional to 136,857,179.13, 188,863,814.05 and 74,133,277.09 is: 102,304,413.61
Step by Step Solution
- Step 1: Write the proportion equation
136,857,179.13 : 188,863,814.05 = 74,133,277.09 : x - Step 2: Convert to fraction form
136,857,179.13/188,863,814.05 = 74,133,277.09/x - Step 3: Cross multiply
136,857,179.13x = 188,863,814.05 × 74,133,277.09 - Step 4: Simplify right side
136,857,179.13x = 14,001,093,459,242,886 - Step 5: Solve for x
x = 14,001,093,459,242,886/136,857,179.13 - Step 6: Final answer
x = 102,304,413.61
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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.