Finding the Fourth Proportional to 302,769,101.52, 417,821,527.08 and 163,539,861.84
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Solution
The fourth proportional to 302,769,101.52, 417,821,527.08 and 163,539,861.84 is: 225,685,099.53
Step by Step Solution
- Step 1: Write the proportion equation
302,769,101.52 : 417,821,527.08 = 163,539,861.84 : x - Step 2: Convert to fraction form
302,769,101.52/417,821,527.08 = 163,539,861.84/x - Step 3: Cross multiply
302,769,101.52x = 417,821,527.08 × 163,539,861.84 - Step 4: Simplify right side
302,769,101.52x = 68,330,474,812,441,016 - Step 5: Solve for x
x = 68,330,474,812,441,016/302,769,101.52 - Step 6: Final answer
x = 225,685,099.53
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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.