Finding the Fourth Proportional to 181,447,736,761.20, 272,171,605,141.80 and 125,613,269,842.80
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Solution
The fourth proportional to 181,447,736,761.20, 272,171,605,141.80 and 125,613,269,842.80 is: 188,419,904,764.20
Step by Step Solution
- Step 1: Write the proportion equation
181,447,736,761.20 : 272,171,605,141.80 = 125,613,269,842.80 : x - Step 2: Convert to fraction form
181,447,736,761.20/272,171,605,141.80 = 125,613,269,842.80/x - Step 3: Cross multiply
181,447,736,761.20x = 272,171,605,141.80 × 125,613,269,842.80 - Step 4: Simplify right side
181,447,736,761.20x = 34,188,365,280,224,936,460,288 - Step 5: Solve for x
x = 34,188,365,280,224,936,460,288/181,447,736,761.20 - Step 6: Final answer
x = 188,419,904,764.20
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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.