Finding the Fourth Proportional to 133,059,181.80, 199,588,772.70 and 123,105,901.80
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Solution
The fourth proportional to 133,059,181.80, 199,588,772.70 and 123,105,901.80 is: 184,658,852.70
Step by Step Solution
- Step 1: Write the proportion equation
133,059,181.80 : 199,588,772.70 = 123,105,901.80 : x - Step 2: Convert to fraction form
133,059,181.80/199,588,772.70 = 123,105,901.80/x - Step 3: Cross multiply
133,059,181.80x = 199,588,772.70 × 123,105,901.80 - Step 4: Simplify right side
133,059,181.80x = 24,570,555,852,388,720 - Step 5: Solve for x
x = 24,570,555,852,388,720/133,059,181.80 - Step 6: Final answer
x = 184,658,852.70
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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.