Finding the Fourth Proportional to 97,996,166.20, 146,994,249.30 and 68,770,847.80
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Solution
The fourth proportional to 97,996,166.20, 146,994,249.30 and 68,770,847.80 is: 103,156,271.70
Step by Step Solution
- Step 1: Write the proportion equation
97,996,166.20 : 146,994,249.30 = 68,770,847.80 : x - Step 2: Convert to fraction form
97,996,166.20/146,994,249.30 = 68,770,847.80/x - Step 3: Cross multiply
97,996,166.20x = 146,994,249.30 × 68,770,847.80 - Step 4: Simplify right side
97,996,166.20x = 10,108,919,146,085,556 - Step 5: Solve for x
x = 10,108,919,146,085,556/97,996,166.20 - Step 6: Final answer
x = 103,156,271.70
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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.