Finding the Fourth Proportional to 129,317,237.44, 194,001,409.50 and 47,436,876.04
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Solution
The fourth proportional to 129,317,237.44, 194,001,409.50 and 47,436,876.04 is: 71,164,687.68
Step by Step Solution
- Step 1: Write the proportion equation
129,317,237.44 : 194,001,409.50 = 47,436,876.04 : x - Step 2: Convert to fraction form
129,317,237.44/194,001,409.50 = 47,436,876.04/x - Step 3: Cross multiply
129,317,237.44x = 194,001,409.50 × 47,436,876.04 - Step 4: Simplify right side
129,317,237.44x = 9,202,820,814,036,778 - Step 5: Solve for x
x = 9,202,820,814,036,778/129,317,237.44 - Step 6: Final answer
x = 71,164,687.68
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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.