Finding the Fourth Proportional to 188,459,455.80, 282,479,231.70 and 73,405,759.80
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Solution
The fourth proportional to 188,459,455.80, 282,479,231.70 and 73,405,759.80 is: 110,026,862.50
Step by Step Solution
- Step 1: Write the proportion equation
188,459,455.80 : 282,479,231.70 = 73,405,759.80 : x - Step 2: Convert to fraction form
188,459,455.80/282,479,231.70 = 73,405,759.80/x - Step 3: Cross multiply
188,459,455.80x = 282,479,231.70 × 73,405,759.80 - Step 4: Simplify right side
188,459,455.80x = 20,735,602,630,658,744 - Step 5: Solve for x
x = 20,735,602,630,658,744/188,459,455.80 - Step 6: Final answer
x = 110,026,862.50
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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.