Finding the Fourth Proportional to 98,365,641.63, 146,910,717.81 and 89,125,151.97
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Solution
The fourth proportional to 98,365,641.63, 146,910,717.81 and 89,125,151.97 is: 133,109,893.19
Step by Step Solution
- Step 1: Write the proportion equation
98,365,641.63 : 146,910,717.81 = 89,125,151.97 : x - Step 2: Convert to fraction form
98,365,641.63/146,910,717.81 = 89,125,151.97/x - Step 3: Cross multiply
98,365,641.63x = 146,910,717.81 × 89,125,151.97 - Step 4: Simplify right side
98,365,641.63x = 13,093,440,050,838,036 - Step 5: Solve for x
x = 13,093,440,050,838,036/98,365,641.63 - Step 6: Final answer
x = 133,109,893.19
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.