Finding the Fourth Proportional to 201,012,178.70, 281,799,687.70 and 201,012,178.70
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Solution
The fourth proportional to 201,012,178.70, 281,799,687.70 and 201,012,178.70 is: 281,799,687.70
Step by Step Solution
- Step 1: Write the proportion equation
201,012,178.70 : 281,799,687.70 = 201,012,178.70 : x - Step 2: Convert to fraction form
201,012,178.70/281,799,687.70 = 201,012,178.70/x - Step 3: Cross multiply
201,012,178.70x = 281,799,687.70 × 201,012,178.70 - Step 4: Simplify right side
201,012,178.70x = 56,645,169,181,556,584 - Step 5: Solve for x
x = 56,645,169,181,556,584/201,012,178.70 - Step 6: Final answer
x = 281,799,687.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.