Finding the Fourth Proportional to 198,922,233.24, 272,524,431.66 and 191,466,681.90
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Solution
The fourth proportional to 198,922,233.24, 272,524,431.66 and 191,466,681.90 is: 262,310,289.89
Step by Step Solution
- Step 1: Write the proportion equation
198,922,233.24 : 272,524,431.66 = 191,466,681.90 : x - Step 2: Convert to fraction form
198,922,233.24/272,524,431.66 = 191,466,681.90/x - Step 3: Cross multiply
198,922,233.24x = 272,524,431.66 × 191,466,681.90 - Step 4: Simplify right side
198,922,233.24x = 52,179,348,666,623,512 - Step 5: Solve for x
x = 52,179,348,666,623,512/198,922,233.24 - Step 6: Final answer
x = 262,310,289.89
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.