Finding the Fourth Proportional to 161,259,728.99, 222,557,318.73 and 91,655,572.63
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Solution
The fourth proportional to 161,259,728.99, 222,557,318.73 and 91,655,572.63 is: 126,495,428.33
Step by Step Solution
- Step 1: Write the proportion equation
161,259,728.99 : 222,557,318.73 = 91,655,572.63 : x - Step 2: Convert to fraction form
161,259,728.99/222,557,318.73 = 91,655,572.63/x - Step 3: Cross multiply
161,259,728.99x = 222,557,318.73 × 91,655,572.63 - Step 4: Simplify right side
161,259,728.99x = 20,398,618,491,195,572 - Step 5: Solve for x
x = 20,398,618,491,195,572/161,259,728.99 - Step 6: Final answer
x = 126,495,428.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.