Finding the Fourth Proportional to 107,450,809.20, 161,176,213.80 and 101,073,517.20
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Solution
The fourth proportional to 107,450,809.20, 161,176,213.80 and 101,073,517.20 is: 151,610,275.80
Step by Step Solution
- Step 1: Write the proportion equation
107,450,809.20 : 161,176,213.80 = 101,073,517.20 : x - Step 2: Convert to fraction form
107,450,809.20/161,176,213.80 = 101,073,517.20/x - Step 3: Cross multiply
107,450,809.20x = 161,176,213.80 × 101,073,517.20 - Step 4: Simplify right side
107,450,809.20x = 16,290,646,817,745,180 - Step 5: Solve for x
x = 16,290,646,817,745,180/107,450,809.20 - Step 6: Final answer
x = 151,610,275.80
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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.