Finding the Fourth Proportional to 188,459,638.80, 282,479,506.20 and 73,405,942.80
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Solution
The fourth proportional to 188,459,638.80, 282,479,506.20 and 73,405,942.80 is: 110,027,136.88
Step by Step Solution
- Step 1: Write the proportion equation
188,459,638.80 : 282,479,506.20 = 73,405,942.80 : x - Step 2: Convert to fraction form
188,459,638.80/282,479,506.20 = 73,405,942.80/x - Step 3: Cross multiply
188,459,638.80x = 282,479,506.20 × 73,405,942.80 - Step 4: Simplify right side
188,459,638.80x = 20,735,674,474,289,444 - Step 5: Solve for x
x = 20,735,674,474,289,444/188,459,638.80 - Step 6: Final answer
x = 110,027,136.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.