Finding the Fourth Proportional to 124,416,129.40, 186,624,194.10 and 88,136,423.80
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Solution
The fourth proportional to 124,416,129.40, 186,624,194.10 and 88,136,423.80 is: 132,204,635.70
Step by Step Solution
- Step 1: Write the proportion equation
124,416,129.40 : 186,624,194.10 = 88,136,423.80 : x - Step 2: Convert to fraction form
124,416,129.40/186,624,194.10 = 88,136,423.80/x - Step 3: Cross multiply
124,416,129.40x = 186,624,194.10 × 88,136,423.80 - Step 4: Simplify right side
124,416,129.40x = 16,448,389,062,531,058 - Step 5: Solve for x
x = 16,448,389,062,531,058/124,416,129.40 - Step 6: Final answer
x = 132,204,635.70
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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.