Finding the Fourth Proportional to 160,512,115.80, 240,768,173.70 and 99,896,640.60
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Solution
The fourth proportional to 160,512,115.80, 240,768,173.70 and 99,896,640.60 is: 149,844,960.90
Step by Step Solution
- Step 1: Write the proportion equation
160,512,115.80 : 240,768,173.70 = 99,896,640.60 : x - Step 2: Convert to fraction form
160,512,115.80/240,768,173.70 = 99,896,640.60/x - Step 3: Cross multiply
160,512,115.80x = 240,768,173.70 × 99,896,640.60 - Step 4: Simplify right side
160,512,115.80x = 24,051,931,716,027,268 - Step 5: Solve for x
x = 24,051,931,716,027,268/160,512,115.80 - Step 6: Final answer
x = 149,844,960.90
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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.