Finding the Fourth Proportional to 201,211,207.30, 301,816,810.95 and 73,610,157.70
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Solution
The fourth proportional to 201,211,207.30, 301,816,810.95 and 73,610,157.70 is: 110,415,236.55
Step by Step Solution
- Step 1: Write the proportion equation
201,211,207.30 : 301,816,810.95 = 73,610,157.70 : x - Step 2: Convert to fraction form
201,211,207.30/301,816,810.95 = 73,610,157.70/x - Step 3: Cross multiply
201,211,207.30x = 301,816,810.95 × 73,610,157.70 - Step 4: Simplify right side
201,211,207.30x = 22,216,783,050,540,588 - Step 5: Solve for x
x = 22,216,783,050,540,588/201,211,207.30 - Step 6: Final answer
x = 110,415,236.55
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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.