Finding the Fourth Proportional to 141,918,243.68, 195,835,445.88 and 80,053,787.36
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Solution
The fourth proportional to 141,918,243.68, 195,835,445.88 and 80,053,787.36 is: 110,467,609.63
Step by Step Solution
- Step 1: Write the proportion equation
141,918,243.68 : 195,835,445.88 = 80,053,787.36 : x - Step 2: Convert to fraction form
141,918,243.68/195,835,445.88 = 80,053,787.36/x - Step 3: Cross multiply
141,918,243.68x = 195,835,445.88 × 80,053,787.36 - Step 4: Simplify right side
141,918,243.68x = 15,677,369,142,028,308 - Step 5: Solve for x
x = 15,677,369,142,028,308/141,918,243.68 - Step 6: Final answer
x = 110,467,609.63
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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.