Finding the Fourth Proportional to 303,626,953.90, 419,005,394.08 and 164,397,809.98
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Solution
The fourth proportional to 303,626,953.90, 419,005,394.08 and 164,397,809.98 is: 226,869,084.82
Step by Step Solution
- Step 1: Write the proportion equation
303,626,953.90 : 419,005,394.08 = 164,397,809.98 : x - Step 2: Convert to fraction form
303,626,953.90/419,005,394.08 = 164,397,809.98/x - Step 3: Cross multiply
303,626,953.90x = 419,005,394.08 × 164,397,809.98 - Step 4: Simplify right side
303,626,953.90x = 68,883,569,156,558,848 - Step 5: Solve for x
x = 68,883,569,156,558,848/303,626,953.90 - Step 6: Final answer
x = 226,869,084.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.