Finding the Fourth Proportional to 135,916,633.49, 203,762,081.59 and 53,984,965.01
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Solution
The fourth proportional to 135,916,633.49, 203,762,081.59 and 53,984,965.01 is: 80,932,617.02
Step by Step Solution
- Step 1: Write the proportion equation
135,916,633.49 : 203,762,081.59 = 53,984,965.01 : x - Step 2: Convert to fraction form
135,916,633.49/203,762,081.59 = 53,984,965.01/x - Step 3: Cross multiply
135,916,633.49x = 203,762,081.59 × 53,984,965.01 - Step 4: Simplify right side
135,916,633.49x = 11,000,088,843,847,144 - Step 5: Solve for x
x = 11,000,088,843,847,144/135,916,633.49 - Step 6: Final answer
x = 80,932,617.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.