Finding the Fourth Proportional to 96,428,519.94, 133,073,110.80 and 54,621,265.80
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Solution
The fourth proportional to 96,428,519.94, 133,073,110.80 and 54,621,265.80 is: 75,378,339.94
Step by Step Solution
- Step 1: Write the proportion equation
96,428,519.94 : 133,073,110.80 = 54,621,265.80 : x - Step 2: Convert to fraction form
96,428,519.94/133,073,110.80 = 54,621,265.80/x - Step 3: Cross multiply
96,428,519.94x = 133,073,110.80 × 54,621,265.80 - Step 4: Simplify right side
96,428,519.94x = 7,268,621,755,839,650 - Step 5: Solve for x
x = 7,268,621,755,839,650/96,428,519.94 - Step 6: Final answer
x = 75,378,339.94
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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.