Finding the Fourth Proportional to 79,845,412.80, 110,187,330.12 and 44,083,005.60
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Solution
The fourth proportional to 79,845,412.80, 110,187,330.12 and 44,083,005.60 is: 60,834,912.37
Step by Step Solution
- Step 1: Write the proportion equation
79,845,412.80 : 110,187,330.12 = 44,083,005.60 : x - Step 2: Convert to fraction form
79,845,412.80/110,187,330.12 = 44,083,005.60/x - Step 3: Cross multiply
79,845,412.80x = 110,187,330.12 × 44,083,005.60 - Step 4: Simplify right side
79,845,412.80x = 4,857,388,690,729,009 - Step 5: Solve for x
x = 4,857,388,690,729,009/79,845,412.80 - Step 6: Final answer
x = 60,834,912.37
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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.