Finding the Fourth Proportional to 61,278,945.84, 84,564,945.36 and 33,777,464.64
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Solution
The fourth proportional to 61,278,945.84, 84,564,945.36 and 33,777,464.64 is: 46,612,901.26
Step by Step Solution
- Step 1: Write the proportion equation
61,278,945.84 : 84,564,945.36 = 33,777,464.64 : x - Step 2: Convert to fraction form
61,278,945.84/84,564,945.36 = 33,777,464.64/x - Step 3: Cross multiply
61,278,945.84x = 84,564,945.36 × 33,777,464.64 - Step 4: Simplify right side
61,278,945.84x = 2,856,389,451,680,932 - Step 5: Solve for x
x = 2,856,389,451,680,932/61,278,945.84 - Step 6: Final answer
x = 46,612,901.26
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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.