Finding the Fourth Proportional to 74,884,850.90, 112,327,276.35 and 48,906,790.10
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Solution
The fourth proportional to 74,884,850.90, 112,327,276.35 and 48,906,790.10 is: 73,360,185.15
Step by Step Solution
- Step 1: Write the proportion equation
74,884,850.90 : 112,327,276.35 = 48,906,790.10 : x - Step 2: Convert to fraction form
74,884,850.90/112,327,276.35 = 48,906,790.10/x - Step 3: Cross multiply
74,884,850.90x = 112,327,276.35 × 48,906,790.10 - Step 4: Simplify right side
74,884,850.90x = 5,493,566,526,954,144 - Step 5: Solve for x
x = 5,493,566,526,954,144/74,884,850.90 - Step 6: Final answer
x = 73,360,185.15
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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.