Finding the Fourth Proportional to 146,877,137.30, 202,689,328.29 and 80,796,212.66
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Solution
The fourth proportional to 146,877,137.30, 202,689,328.29 and 80,796,212.66 is: 111,498,156.71
Step by Step Solution
- Step 1: Write the proportion equation
146,877,137.30 : 202,689,328.29 = 80,796,212.66 : x - Step 2: Convert to fraction form
146,877,137.30/202,689,328.29 = 80,796,212.66/x - Step 3: Cross multiply
146,877,137.30x = 202,689,328.29 × 80,796,212.66 - Step 4: Simplify right side
146,877,137.30x = 16,376,530,072,431,392 - Step 5: Solve for x
x = 16,376,530,072,431,392/146,877,137.30 - Step 6: Final answer
x = 111,498,156.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.