Finding the Fourth Proportional to 178,733,959.80, 268,100,939.70 and 110,709,511.80
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Solution
The fourth proportional to 178,733,959.80, 268,100,939.70 and 110,709,511.80 is: 166,064,267.70
Step by Step Solution
- Step 1: Write the proportion equation
178,733,959.80 : 268,100,939.70 = 110,709,511.80 : x - Step 2: Convert to fraction form
178,733,959.80/268,100,939.70 = 110,709,511.80/x - Step 3: Cross multiply
178,733,959.80x = 268,100,939.70 × 110,709,511.80 - Step 4: Simplify right side
178,733,959.80x = 29,681,324,147,308,236 - Step 5: Solve for x
x = 29,681,324,147,308,236/178,733,959.80 - Step 6: Final answer
x = 166,064,267.70
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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.