Finding the Fourth Proportional to 50,544,491.42, 69,745,403.94 and 28,516,706.66
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Solution
The fourth proportional to 50,544,491.42, 69,745,403.94 and 28,516,706.66 is: 39,349,673.31
Step by Step Solution
- Step 1: Write the proportion equation
50,544,491.42 : 69,745,403.94 = 28,516,706.66 : x - Step 2: Convert to fraction form
50,544,491.42/69,745,403.94 = 28,516,706.66/x - Step 3: Cross multiply
50,544,491.42x = 69,745,403.94 × 28,516,706.66 - Step 4: Simplify right side
50,544,491.42x = 1,988,909,225,040,188.25 - Step 5: Solve for x
x = 1,988,909,225,040,188.25/50,544,491.42 - Step 6: Final answer
x = 39,349,673.31
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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.