Finding the Fourth Proportional to 141,729,255.26, 195,586,370.68 and 76,539,159.26
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Solution
The fourth proportional to 141,729,255.26, 195,586,370.68 and 76,539,159.26 is: 105,624,038.93
Step by Step Solution
- Step 1: Write the proportion equation
141,729,255.26 : 195,586,370.68 = 76,539,159.26 : x - Step 2: Convert to fraction form
141,729,255.26/195,586,370.68 = 76,539,159.26/x - Step 3: Cross multiply
141,729,255.26x = 195,586,370.68 × 76,539,159.26 - Step 4: Simplify right side
141,729,255.26x = 14,970,016,374,561,916 - Step 5: Solve for x
x = 14,970,016,374,561,916/141,729,255.26 - Step 6: Final answer
x = 105,624,038.93
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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.