Finding the Fourth Proportional to 85,622,977.44, 118,159,788.96 and 48,954,316.32
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Solution
The fourth proportional to 85,622,977.44, 118,159,788.96 and 48,954,316.32 is: 67,557,002.31
Step by Step Solution
- Step 1: Write the proportion equation
85,622,977.44 : 118,159,788.96 = 48,954,316.32 : x - Step 2: Convert to fraction form
85,622,977.44/118,159,788.96 = 48,954,316.32/x - Step 3: Cross multiply
85,622,977.44x = 118,159,788.96 × 48,954,316.32 - Step 4: Simplify right side
85,622,977.44x = 5,784,431,685,052,284 - Step 5: Solve for x
x = 5,784,431,685,052,284/85,622,977.44 - Step 6: Final answer
x = 67,557,002.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.