Finding the Fourth Proportional to 196,830,175.80, 295,245,263.70 and 185,492,767.80
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Solution
The fourth proportional to 196,830,175.80, 295,245,263.70 and 185,492,767.80 is: 278,239,151.70
Step by Step Solution
- Step 1: Write the proportion equation
196,830,175.80 : 295,245,263.70 = 185,492,767.80 : x - Step 2: Convert to fraction form
196,830,175.80/295,245,263.70 = 185,492,767.80/x - Step 3: Cross multiply
196,830,175.80x = 295,245,263.70 × 185,492,767.80 - Step 4: Simplify right side
196,830,175.80x = 54,765,861,143,553,872 - Step 5: Solve for x
x = 54,765,861,143,553,872/196,830,175.80 - Step 6: Final answer
x = 278,239,151.70
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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.