Finding the Fourth Proportional to 116,293,049.84, 160,482,393.24 and 67,405,026.80
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Solution
The fourth proportional to 116,293,049.84, 160,482,393.24 and 67,405,026.80 is: 93,017,768.75
Step by Step Solution
- Step 1: Write the proportion equation
116,293,049.84 : 160,482,393.24 = 67,405,026.80 : x - Step 2: Convert to fraction form
116,293,049.84/160,482,393.24 = 67,405,026.80/x - Step 3: Cross multiply
116,293,049.84x = 160,482,393.24 × 67,405,026.80 - Step 4: Simplify right side
116,293,049.84x = 10,817,320,017,270,338 - Step 5: Solve for x
x = 10,817,320,017,270,338/116,293,049.84 - Step 6: Final answer
x = 93,017,768.75
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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.