Finding the Fourth Proportional to 60,481,768.20, 90,722,652.30 and 54,246,193.80
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Solution
The fourth proportional to 60,481,768.20, 90,722,652.30 and 54,246,193.80 is: 81,369,290.70
Step by Step Solution
- Step 1: Write the proportion equation
60,481,768.20 : 90,722,652.30 = 54,246,193.80 : x - Step 2: Convert to fraction form
60,481,768.20/90,722,652.30 = 54,246,193.80/x - Step 3: Cross multiply
60,481,768.20x = 90,722,652.30 × 54,246,193.80 - Step 4: Simplify right side
60,481,768.20x = 4,921,358,578,715,815 - Step 5: Solve for x
x = 4,921,358,578,715,815/60,481,768.20 - Step 6: Final answer
x = 81,369,290.70
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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.