Finding the Fourth Proportional to 136,593,988.16, 204,891,331.68 and 55,814,955.84
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Solution
The fourth proportional to 136,593,988.16, 204,891,331.68 and 55,814,955.84 is: 83,722,576.55
Step by Step Solution
- Step 1: Write the proportion equation
136,593,988.16 : 204,891,331.68 = 55,814,955.84 : x - Step 2: Convert to fraction form
136,593,988.16/204,891,331.68 = 55,814,955.84/x - Step 3: Cross multiply
136,593,988.16x = 204,891,331.68 × 55,814,955.84 - Step 4: Simplify right side
136,593,988.16x = 11,436,000,629,717,994 - Step 5: Solve for x
x = 11,436,000,629,717,994/136,593,988.16 - Step 6: Final answer
x = 83,722,576.55
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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.