Finding the Fourth Proportional to 186,121,201.80, 279,181,802.70 and 186,121,201.80
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Solution
The fourth proportional to 186,121,201.80, 279,181,802.70 and 186,121,201.80 is: 279,181,802.70
Step by Step Solution
- Step 1: Write the proportion equation
186,121,201.80 : 279,181,802.70 = 186,121,201.80 : x - Step 2: Convert to fraction form
186,121,201.80/279,181,802.70 = 186,121,201.80/x - Step 3: Cross multiply
186,121,201.80x = 279,181,802.70 × 186,121,201.80 - Step 4: Simplify right side
186,121,201.80x = 51,961,652,639,214,488 - Step 5: Solve for x
x = 51,961,652,639,214,488/186,121,201.80 - Step 6: Final answer
x = 279,181,802.70
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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.