Finding the Fourth Proportional to 129,988,322.82, 194,982,472.40 and 57,205,103.49
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Solution
The fourth proportional to 129,988,322.82, 194,982,472.40 and 57,205,103.49 is: 85,807,650.03
Step by Step Solution
- Step 1: Write the proportion equation
129,988,322.82 : 194,982,472.40 = 57,205,103.49 : x - Step 2: Convert to fraction form
129,988,322.82/194,982,472.40 = 57,205,103.49/x - Step 3: Cross multiply
129,988,322.82x = 194,982,472.40 × 57,205,103.49 - Step 4: Simplify right side
129,988,322.82x = 11,153,992,512,092,044 - Step 5: Solve for x
x = 11,153,992,512,092,044/129,988,322.82 - Step 6: Final answer
x = 85,807,650.03
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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.