Finding the Fourth Proportional to 114,984,207.80, 172,476,311.70 and 114,984,207.80
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Solution
The fourth proportional to 114,984,207.80, 172,476,311.70 and 114,984,207.80 is: 172,476,311.70
Step by Step Solution
- Step 1: Write the proportion equation
114,984,207.80 : 172,476,311.70 = 114,984,207.80 : x - Step 2: Convert to fraction form
114,984,207.80/172,476,311.70 = 114,984,207.80/x - Step 3: Cross multiply
114,984,207.80x = 172,476,311.70 × 114,984,207.80 - Step 4: Simplify right side
114,984,207.80x = 19,832,052,065,090,368 - Step 5: Solve for x
x = 19,832,052,065,090,368/114,984,207.80 - Step 6: Final answer
x = 172,476,311.70
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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.