Finding the Fourth Proportional to 201,017,537.20, 301,526,305.80 and 180,610,202.80
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Solution
The fourth proportional to 201,017,537.20, 301,526,305.80 and 180,610,202.80 is: 270,915,304.20
Step by Step Solution
- Step 1: Write the proportion equation
201,017,537.20 : 301,526,305.80 = 180,610,202.80 : x - Step 2: Convert to fraction form
201,017,537.20/301,526,305.80 = 180,610,202.80/x - Step 3: Cross multiply
201,017,537.20x = 301,526,305.80 × 180,610,202.80 - Step 4: Simplify right side
201,017,537.20x = 54,458,727,240,072,824 - Step 5: Solve for x
x = 54,458,727,240,072,824/201,017,537.20 - Step 6: Final answer
x = 270,915,304.20
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1.5x scale
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.