Finding the Fourth Proportional to 255,077,491.35, 382,676,949.97 and 82,554,305.07
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Solution
The fourth proportional to 255,077,491.35, 382,676,949.97 and 82,554,305.07 is: 123,851,106.99
Step by Step Solution
- Step 1: Write the proportion equation
255,077,491.35 : 382,676,949.97 = 82,554,305.07 : x - Step 2: Convert to fraction form
255,077,491.35/382,676,949.97 = 82,554,305.07/x - Step 3: Cross multiply
255,077,491.35x = 382,676,949.97 × 82,554,305.07 - Step 4: Simplify right side
255,077,491.35x = 31,591,629,671,080,508 - Step 5: Solve for x
x = 31,591,629,671,080,508/255,077,491.35 - Step 6: Final answer
x = 123,851,106.99
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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.