Finding the Fourth Proportional to 316,350,517.44, 474,190,962.18 and 143,948,399.40
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Solution
The fourth proportional to 316,350,517.44, 474,190,962.18 and 143,948,399.40 is: 215,770,249.30
Step by Step Solution
- Step 1: Write the proportion equation
316,350,517.44 : 474,190,962.18 = 143,948,399.40 : x - Step 2: Convert to fraction form
316,350,517.44/474,190,962.18 = 143,948,399.40/x - Step 3: Cross multiply
316,350,517.44x = 474,190,962.18 × 143,948,399.40 - Step 4: Simplify right side
316,350,517.44x = 68,259,030,015,756,936 - Step 5: Solve for x
x = 68,259,030,015,756,936/316,350,517.44 - Step 6: Final answer
x = 215,770,249.30
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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.