Finding the Fourth Proportional to 129,032,192.80, 193,548,289.20 and 115,893,863.20
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Solution
The fourth proportional to 129,032,192.80, 193,548,289.20 and 115,893,863.20 is: 173,840,794.80
Step by Step Solution
- Step 1: Write the proportion equation
129,032,192.80 : 193,548,289.20 = 115,893,863.20 : x - Step 2: Convert to fraction form
129,032,192.80/193,548,289.20 = 115,893,863.20/x - Step 3: Cross multiply
129,032,192.80x = 193,548,289.20 × 115,893,863.20 - Step 4: Simplify right side
129,032,192.80x = 22,431,058,951,138,836 - Step 5: Solve for x
x = 22,431,058,951,138,836/129,032,192.80 - Step 6: Final answer
x = 173,840,794.80
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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.