Finding the Fourth Proportional to 129,473,285.76, 194,237,922.24 and 68,880,205.44
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Solution
The fourth proportional to 129,473,285.76, 194,237,922.24 and 68,880,205.44 is: 103,335,200.85
Step by Step Solution
- Step 1: Write the proportion equation
129,473,285.76 : 194,237,922.24 = 68,880,205.44 : x - Step 2: Convert to fraction form
129,473,285.76/194,237,922.24 = 68,880,205.44/x - Step 3: Cross multiply
129,473,285.76x = 194,237,922.24 × 68,880,205.44 - Step 4: Simplify right side
129,473,285.76x = 13,379,147,988,129,946 - Step 5: Solve for x
x = 13,379,147,988,129,946/129,473,285.76 - Step 6: Final answer
x = 103,335,200.85
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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.