Finding the Fourth Proportional to 128,304,077.10, 192,456,115.65 and 51,682,094.70
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Solution
The fourth proportional to 128,304,077.10, 192,456,115.65 and 51,682,094.70 is: 77,523,142.05
Step by Step Solution
- Step 1: Write the proportion equation
128,304,077.10 : 192,456,115.65 = 51,682,094.70 : x - Step 2: Convert to fraction form
128,304,077.10/192,456,115.65 = 51,682,094.70/x - Step 3: Cross multiply
128,304,077.10x = 192,456,115.65 × 51,682,094.70 - Step 4: Simplify right side
128,304,077.10x = 9,946,535,194,617,452 - Step 5: Solve for x
x = 9,946,535,194,617,452/128,304,077.10 - Step 6: Final answer
x = 77,523,142.05
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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.