Finding the Fourth Proportional to 228,889,906.32, 315,876,376.98 and 131,123,658
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Solution
The fourth proportional to 228,889,906.32, 315,876,376.98 and 131,123,658 is: 180,955,406.43
Step by Step Solution
- Step 1: Write the proportion equation
228,889,906.32 : 315,876,376.98 = 131,123,658 : x - Step 2: Convert to fraction form
228,889,906.32/315,876,376.98 = 131,123,658/x - Step 3: Cross multiply
228,889,906.32x = 315,876,376.98 × 131,123,658 - Step 4: Simplify right side
228,889,906.32x = 41,418,866,025,404,592 - Step 5: Solve for x
x = 41,418,866,025,404,592/228,889,906.32 - Step 6: Final answer
x = 180,955,406.43
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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.