Finding the Fourth Proportional to 64,529,581.80, 96,794,372.70 and 57,475,194.60
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Solution
The fourth proportional to 64,529,581.80, 96,794,372.70 and 57,475,194.60 is: 86,212,791.90
Step by Step Solution
- Step 1: Write the proportion equation
64,529,581.80 : 96,794,372.70 = 57,475,194.60 : x - Step 2: Convert to fraction form
64,529,581.80/96,794,372.70 = 57,475,194.60/x - Step 3: Cross multiply
64,529,581.80x = 96,794,372.70 × 57,475,194.60 - Step 4: Simplify right side
64,529,581.80x = 5,563,275,407,117,428 - Step 5: Solve for x
x = 5,563,275,407,117,428/64,529,581.80 - Step 6: Final answer
x = 86,212,791.90
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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.