Finding the Fourth Proportional to 135,353,893.54, 186,788,609.86 and 73,474,274.02
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Solution
The fourth proportional to 135,353,893.54, 186,788,609.86 and 73,474,274.02 is: 101,394,626.67
Step by Step Solution
- Step 1: Write the proportion equation
135,353,893.54 : 186,788,609.86 = 73,474,274.02 : x - Step 2: Convert to fraction form
135,353,893.54/186,788,609.86 = 73,474,274.02/x - Step 3: Cross multiply
135,353,893.54x = 186,788,609.86 × 73,474,274.02 - Step 4: Simplify right side
135,353,893.54x = 13,724,157,503,734,572 - Step 5: Solve for x
x = 13,724,157,503,734,572/135,353,893.54 - Step 6: Final answer
x = 101,394,626.67
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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.