Finding the Fourth Proportional to 255,137,943.97, 382,855,449.57 and 107,576,250.61
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Solution
The fourth proportional to 255,137,943.97, 382,855,449.57 and 107,576,250.61 is: 161,427,003.56
Step by Step Solution
- Step 1: Write the proportion equation
255,137,943.97 : 382,855,449.57 = 107,576,250.61 : x - Step 2: Convert to fraction form
255,137,943.97/382,855,449.57 = 107,576,250.61/x - Step 3: Cross multiply
255,137,943.97x = 382,855,449.57 × 107,576,250.61 - Step 4: Simplify right side
255,137,943.97x = 41,186,153,788,432,264 - Step 5: Solve for x
x = 41,186,153,788,432,264/255,137,943.97 - Step 6: Final answer
x = 161,427,003.56
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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.