Finding the Fourth Proportional to 141,729,252.26, 195,586,366.53 and 76,539,156.26
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Solution
The fourth proportional to 141,729,252.26, 195,586,366.53 and 76,539,156.26 is: 105,624,034.78
Step by Step Solution
- Step 1: Write the proportion equation
141,729,252.26 : 195,586,366.53 = 76,539,156.26 : x - Step 2: Convert to fraction form
141,729,252.26/195,586,366.53 = 76,539,156.26/x - Step 3: Cross multiply
141,729,252.26x = 195,586,366.53 × 76,539,156.26 - Step 4: Simplify right side
141,729,252.26x = 14,970,015,470,165,306 - Step 5: Solve for x
x = 14,970,015,470,165,306/141,729,252.26 - Step 6: Final answer
x = 105,624,034.78
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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.