Finding the Fourth Proportional to 33,221,311.70, 49,831,967.55 and 27,960,045.80
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Solution
The fourth proportional to 33,221,311.70, 49,831,967.55 and 27,960,045.80 is: 41,940,068.70
Step by Step Solution
- Step 1: Write the proportion equation
33,221,311.70 : 49,831,967.55 = 27,960,045.80 : x - Step 2: Convert to fraction form
33,221,311.70/49,831,967.55 = 27,960,045.80/x - Step 3: Cross multiply
33,221,311.70x = 49,831,967.55 × 27,960,045.80 - Step 4: Simplify right side
33,221,311.70x = 1,393,304,095,002,113.75 - Step 5: Solve for x
x = 1,393,304,095,002,113.75/33,221,311.70 - Step 6: Final answer
x = 41,940,068.70
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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.