Finding the Fourth Proportional to 55,104,112.91, 82,668,126.78 and 16,764,630.63
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Solution
The fourth proportional to 55,104,112.91, 82,668,126.78 and 16,764,630.63 is: 25,150,583.82
Step by Step Solution
- Step 1: Write the proportion equation
55,104,112.91 : 82,668,126.78 = 16,764,630.63 : x - Step 2: Convert to fraction form
55,104,112.91/82,668,126.78 = 16,764,630.63/x - Step 3: Cross multiply
55,104,112.91x = 82,668,126.78 × 16,764,630.63 - Step 4: Simplify right side
55,104,112.91x = 1,385,900,610,340,711.25 - Step 5: Solve for x
x = 1,385,900,610,340,711.25/55,104,112.91 - Step 6: Final answer
x = 25,150,583.82
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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.