Finding the Fourth Proportional to 177,511,511.80, 266,267,267.70 and 104,763,143.80
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Solution
The fourth proportional to 177,511,511.80, 266,267,267.70 and 104,763,143.80 is: 157,144,715.70
Step by Step Solution
- Step 1: Write the proportion equation
177,511,511.80 : 266,267,267.70 = 104,763,143.80 : x - Step 2: Convert to fraction form
177,511,511.80/266,267,267.70 = 104,763,143.80/x - Step 3: Cross multiply
177,511,511.80x = 266,267,267.70 × 104,763,143.80 - Step 4: Simplify right side
177,511,511.80x = 27,894,996,055,288,192 - Step 5: Solve for x
x = 27,894,996,055,288,192/177,511,511.80 - Step 6: Final answer
x = 157,144,715.70
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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.