Finding the Fourth Proportional to 124,416,128.40, 186,624,192.60 and 88,136,422.80
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Solution
The fourth proportional to 124,416,128.40, 186,624,192.60 and 88,136,422.80 is: 132,204,634.20
Step by Step Solution
- Step 1: Write the proportion equation
124,416,128.40 : 186,624,192.60 = 88,136,422.80 : x - Step 2: Convert to fraction form
124,416,128.40/186,624,192.60 = 88,136,422.80/x - Step 3: Cross multiply
124,416,128.40x = 186,624,192.60 × 88,136,422.80 - Step 4: Simplify right side
124,416,128.40x = 16,448,388,743,702,230 - Step 5: Solve for x
x = 16,448,388,743,702,230/124,416,128.40 - Step 6: Final answer
x = 132,204,634.20
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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.