Finding the Fourth Proportional to 147,629,145.84, 203,724,274.08 and 81,548,221.92
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Solution
The fourth proportional to 147,629,145.84, 203,724,274.08 and 81,548,221.92 is: 112,534,365.88
Step by Step Solution
- Step 1: Write the proportion equation
147,629,145.84 : 203,724,274.08 = 81,548,221.92 : x - Step 2: Convert to fraction form
147,629,145.84/203,724,274.08 = 81,548,221.92/x - Step 3: Cross multiply
147,629,145.84x = 203,724,274.08 × 81,548,221.92 - Step 4: Simplify right side
147,629,145.84x = 16,613,352,313,166,746 - Step 5: Solve for x
x = 16,613,352,313,166,746/147,629,145.84 - Step 6: Final answer
x = 112,534,365.88
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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.