Finding the Fourth Proportional to 161,259,729.99, 222,557,320.11 and 91,655,573.61
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Solution
The fourth proportional to 161,259,729.99, 222,557,320.11 and 91,655,573.61 is: 126,495,429.68
Step by Step Solution
- Step 1: Write the proportion equation
161,259,729.99 : 222,557,320.11 = 91,655,573.61 : x - Step 2: Convert to fraction form
161,259,729.99/222,557,320.11 = 91,655,573.61/x - Step 3: Cross multiply
161,259,729.99x = 222,557,320.11 × 91,655,573.61 - Step 4: Simplify right side
161,259,729.99x = 20,398,618,835,786,440 - Step 5: Solve for x
x = 20,398,618,835,786,440/161,259,729.99 - Step 6: Final answer
x = 126,495,429.68
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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.