Finding the Fourth Proportional to 75,673,181.97, 104,428,990.05 and 40,865,871.39
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Solution
The fourth proportional to 75,673,181.97, 104,428,990.05 and 40,865,871.39 is: 56,394,901.94
Step by Step Solution
- Step 1: Write the proportion equation
75,673,181.97 : 104,428,990.05 = 40,865,871.39 : x - Step 2: Convert to fraction form
75,673,181.97/104,428,990.05 = 40,865,871.39/x - Step 3: Cross multiply
75,673,181.97x = 104,428,990.05 × 40,865,871.39 - Step 4: Simplify right side
75,673,181.97x = 4,267,581,676,770,889.50 - Step 5: Solve for x
x = 4,267,581,676,770,889.50/75,673,181.97 - Step 6: Final answer
x = 56,394,901.94
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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.