Finding the Fourth Proportional to 203,676,442.88, 281,052,309.12 and 115,542,360.32
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Solution
The fourth proportional to 203,676,442.88, 281,052,309.12 and 115,542,360.32 is: 159,436,441.00
Step by Step Solution
- Step 1: Write the proportion equation
203,676,442.88 : 281,052,309.12 = 115,542,360.32 : x - Step 2: Convert to fraction form
203,676,442.88/281,052,309.12 = 115,542,360.32/x - Step 3: Cross multiply
203,676,442.88x = 281,052,309.12 × 115,542,360.32 - Step 4: Simplify right side
203,676,442.88x = 32,473,447,169,111,060 - Step 5: Solve for x
x = 32,473,447,169,111,060/203,676,442.88 - Step 6: Final answer
x = 159,436,441.00
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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.