Finding the Fourth Proportional to 125,424,138.30, 188,136,207.45 and 125,424,138.30
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Solution
The fourth proportional to 125,424,138.30, 188,136,207.45 and 125,424,138.30 is: 188,136,207.45
Step by Step Solution
- Step 1: Write the proportion equation
125,424,138.30 : 188,136,207.45 = 125,424,138.30 : x - Step 2: Convert to fraction form
125,424,138.30/188,136,207.45 = 125,424,138.30/x - Step 3: Cross multiply
125,424,138.30x = 188,136,207.45 × 125,424,138.30 - Step 4: Simplify right side
125,424,138.30x = 23,596,821,702,446,288 - Step 5: Solve for x
x = 23,596,821,702,446,288/125,424,138.30 - Step 6: Final answer
x = 188,136,207.45
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1.5x scale
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.