Finding the Fourth Proportional to 97,642,297.80, 146,463,446.70 and 76,093,057.80
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Solution
The fourth proportional to 97,642,297.80, 146,463,446.70 and 76,093,057.80 is: 114,139,586.70
Step by Step Solution
- Step 1: Write the proportion equation
97,642,297.80 : 146,463,446.70 = 76,093,057.80 : x - Step 2: Convert to fraction form
97,642,297.80/146,463,446.70 = 76,093,057.80/x - Step 3: Cross multiply
97,642,297.80x = 146,463,446.70 × 76,093,057.80 - Step 4: Simplify right side
97,642,297.80x = 11,144,851,515,330,318 - Step 5: Solve for x
x = 11,144,851,515,330,318/97,642,297.80 - Step 6: Final answer
x = 114,139,586.70
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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.