Finding the Fourth Proportional to 163,470,545.75, 245,320,743.43 and 147,841,307.09
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Solution
The fourth proportional to 163,470,545.75, 245,320,743.43 and 147,841,307.09 is: 221,865,897.61
Step by Step Solution
- Step 1: Write the proportion equation
163,470,545.75 : 245,320,743.43 = 147,841,307.09 : x - Step 2: Convert to fraction form
163,470,545.75/245,320,743.43 = 147,841,307.09/x - Step 3: Cross multiply
163,470,545.75x = 245,320,743.43 × 147,841,307.09 - Step 4: Simplify right side
163,470,545.75x = 36,268,539,364,981,728 - Step 5: Solve for x
x = 36,268,539,364,981,728/163,470,545.75 - Step 6: Final answer
x = 221,865,897.61
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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.