Finding the Fourth Proportional to 122,476,763.80, 183,715,145.70 and 122,476,763.80
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Solution
The fourth proportional to 122,476,763.80, 183,715,145.70 and 122,476,763.80 is: 183,715,145.70
Step by Step Solution
- Step 1: Write the proportion equation
122,476,763.80 : 183,715,145.70 = 122,476,763.80 : x - Step 2: Convert to fraction form
122,476,763.80/183,715,145.70 = 122,476,763.80/x - Step 3: Cross multiply
122,476,763.80x = 183,715,145.70 × 122,476,763.80 - Step 4: Simplify right side
122,476,763.80x = 22,500,836,506,381,484 - Step 5: Solve for x
x = 22,500,836,506,381,484/122,476,763.80 - Step 6: Final answer
x = 183,715,145.70
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1.5x scale
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.