Finding the Fourth Proportional to 178,129,901.80, 267,194,852.70 and 178,129,901.80
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Solution
The fourth proportional to 178,129,901.80, 267,194,852.70 and 178,129,901.80 is: 267,194,852.70
Step by Step Solution
- Step 1: Write the proportion equation
178,129,901.80 : 267,194,852.70 = 178,129,901.80 : x - Step 2: Convert to fraction form
178,129,901.80/267,194,852.70 = 178,129,901.80/x - Step 3: Cross multiply
178,129,901.80x = 267,194,852.70 × 178,129,901.80 - Step 4: Simplify right side
178,129,901.80x = 47,595,392,872,916,464 - Step 5: Solve for x
x = 47,595,392,872,916,464/178,129,901.80 - Step 6: Final answer
x = 267,194,852.70
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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.