Finding the Fourth Proportional to 136,265,763.60, 204,398,645.40 and 125,743,231.80
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Solution
The fourth proportional to 136,265,763.60, 204,398,645.40 and 125,743,231.80 is: 188,614,847.70
Step by Step Solution
- Step 1: Write the proportion equation
136,265,763.60 : 204,398,645.40 = 125,743,231.80 : x - Step 2: Convert to fraction form
136,265,763.60/204,398,645.40 = 125,743,231.80/x - Step 3: Cross multiply
136,265,763.60x = 204,398,645.40 × 125,743,231.80 - Step 4: Simplify right side
136,265,763.60x = 25,701,746,248,138,204 - Step 5: Solve for x
x = 25,701,746,248,138,204/136,265,763.60 - Step 6: Final answer
x = 188,614,847.70
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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.