Finding the Fourth Proportional to 75,741,756.09, 104,524,102.67 and 40,934,364.81
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Solution
The fourth proportional to 75,741,756.09, 104,524,102.67 and 40,934,364.81 is: 56,489,682.45
Step by Step Solution
- Step 1: Write the proportion equation
75,741,756.09 : 104,524,102.67 = 40,934,364.81 : x - Step 2: Convert to fraction form
75,741,756.09/104,524,102.67 = 40,934,364.81/x - Step 3: Cross multiply
75,741,756.09x = 104,524,102.67 × 40,934,364.81 - Step 4: Simplify right side
75,741,756.09x = 4,278,627,749,927,003.50 - Step 5: Solve for x
x = 4,278,627,749,927,003.50/75,741,756.09 - Step 6: Final answer
x = 56,489,682.45
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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.