Finding the Fourth Proportional to 201,012,130.70, 281,799,620.50 and 201,012,130.70
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Solution
The fourth proportional to 201,012,130.70, 281,799,620.50 and 201,012,130.70 is: 281,799,620.50
Step by Step Solution
- Step 1: Write the proportion equation
201,012,130.70 : 281,799,620.50 = 201,012,130.70 : x - Step 2: Convert to fraction form
201,012,130.70/281,799,620.50 = 201,012,130.70/x - Step 3: Cross multiply
201,012,130.70x = 281,799,620.50 × 201,012,130.70 - Step 4: Simplify right side
201,012,130.70x = 56,645,142,147,156,392 - Step 5: Solve for x
x = 56,645,142,147,156,392/201,012,130.70 - Step 6: Final answer
x = 281,799,620.50
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1.5x scale
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.