Finding the Fourth Proportional to 135,354,068.16, 186,788,850.72 and 73,474,448.64
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Solution
The fourth proportional to 135,354,068.16, 186,788,850.72 and 73,474,448.64 is: 101,394,867.59
Step by Step Solution
- Step 1: Write the proportion equation
135,354,068.16 : 186,788,850.72 = 73,474,448.64 : x - Step 2: Convert to fraction form
135,354,068.16/186,788,850.72 = 73,474,448.64/x - Step 3: Cross multiply
135,354,068.16x = 186,788,850.72 × 73,474,448.64 - Step 4: Simplify right side
135,354,068.16x = 13,724,207,818,751,268 - Step 5: Solve for x
x = 13,724,207,818,751,268/135,354,068.16 - Step 6: Final answer
x = 101,394,867.59
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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.