Finding the Fourth Proportional to 161,883,531.99, 223,472,229.93 and 103,225,042.71
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Solution
The fourth proportional to 161,883,531.99, 223,472,229.93 and 103,225,042.71 is: 142,497,079.20
Step by Step Solution
- Step 1: Write the proportion equation
161,883,531.99 : 223,472,229.93 = 103,225,042.71 : x - Step 2: Convert to fraction form
161,883,531.99/223,472,229.93 = 103,225,042.71/x - Step 3: Cross multiply
161,883,531.99x = 223,472,229.93 × 103,225,042.71 - Step 4: Simplify right side
161,883,531.99x = 23,067,930,479,023,188 - Step 5: Solve for x
x = 23,067,930,479,023,188/161,883,531.99 - Step 6: Final answer
x = 142,497,079.20
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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.