Finding the Fourth Proportional to 80,888,968.10, 121,333,452.15 and 32,374,309.70
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Solution
The fourth proportional to 80,888,968.10, 121,333,452.15 and 32,374,309.70 is: 48,561,464.55
Step by Step Solution
- Step 1: Write the proportion equation
80,888,968.10 : 121,333,452.15 = 32,374,309.70 : x - Step 2: Convert to fraction form
80,888,968.10/121,333,452.15 = 32,374,309.70/x - Step 3: Cross multiply
80,888,968.10x = 121,333,452.15 × 32,374,309.70 - Step 4: Simplify right side
80,888,968.10x = 3,928,086,756,874,231 - Step 5: Solve for x
x = 3,928,086,756,874,231/80,888,968.10 - Step 6: Final answer
x = 48,561,464.55
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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.