Finding the Fourth Proportional to 67,943,236.05, 93,762,744.39 and 38,573,969.31
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Solution
The fourth proportional to 67,943,236.05, 93,762,744.39 and 38,573,969.31 is: 53,232,690.03
Step by Step Solution
- Step 1: Write the proportion equation
67,943,236.05 : 93,762,744.39 = 38,573,969.31 : x - Step 2: Convert to fraction form
67,943,236.05/93,762,744.39 = 38,573,969.31/x - Step 3: Cross multiply
67,943,236.05x = 93,762,744.39 × 38,573,969.31 - Step 4: Simplify right side
67,943,236.05x = 3,616,801,224,521,235 - Step 5: Solve for x
x = 3,616,801,224,521,235/67,943,236.05 - Step 6: Final answer
x = 53,232,690.03
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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.