Finding the Fourth Proportional to 75,673,229.42, 104,429,055.56 and 40,865,918.84
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Solution
The fourth proportional to 75,673,229.42, 104,429,055.56 and 40,865,918.84 is: 56,394,967.44
Step by Step Solution
- Step 1: Write the proportion equation
75,673,229.42 : 104,429,055.56 = 40,865,918.84 : x - Step 2: Convert to fraction form
75,673,229.42/104,429,055.56 = 40,865,918.84/x - Step 3: Cross multiply
75,673,229.42x = 104,429,055.56 × 40,865,918.84 - Step 4: Simplify right side
75,673,229.42x = 4,267,589,309,052,811 - Step 5: Solve for x
x = 4,267,589,309,052,811/75,673,229.42 - Step 6: Final answer
x = 56,394,967.44
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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.