Finding the Fourth Proportional to 274,295,250.72, 411,483,029.49 and 128,743,596.72
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Solution
The fourth proportional to 274,295,250.72, 411,483,029.49 and 128,743,596.72 is: 193,134,241.54
Step by Step Solution
- Step 1: Write the proportion equation
274,295,250.72 : 411,483,029.49 = 128,743,596.72 : x - Step 2: Convert to fraction form
274,295,250.72/411,483,029.49 = 128,743,596.72/x - Step 3: Cross multiply
274,295,250.72x = 411,483,029.49 × 128,743,596.72 - Step 4: Simplify right side
274,295,250.72x = 52,975,805,205,784,432 - Step 5: Solve for x
x = 52,975,805,205,784,432/274,295,250.72 - Step 6: Final answer
x = 193,134,241.54
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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.