Finding the Fourth Proportional to 129,361,566,137.80, 194,042,349,206.70 and 129,361,566,137.80
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Solution
The fourth proportional to 129,361,566,137.80, 194,042,349,206.70 and 129,361,566,137.80 is: 194,042,349,206.70
Step by Step Solution
- Step 1: Write the proportion equation
129,361,566,137.80 : 194,042,349,206.70 = 129,361,566,137.80 : x - Step 2: Convert to fraction form
129,361,566,137.80/194,042,349,206.70 = 129,361,566,137.80/x - Step 3: Cross multiply
129,361,566,137.80x = 194,042,349,206.70 × 129,361,566,137.80 - Step 4: Simplify right side
129,361,566,137.80x = 25,101,622,190,436,608,114,688 - Step 5: Solve for x
x = 25,101,622,190,436,608,114,688/129,361,566,137.80 - Step 6: Final answer
x = 194,042,349,206.70
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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.