Finding the Fourth Proportional to 132,188,491.52, 182,363,533.08 and 82,542,675.68
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Solution
The fourth proportional to 132,188,491.52, 182,363,533.08 and 82,542,675.68 is: 113,873,558.84
Step by Step Solution
- Step 1: Write the proportion equation
132,188,491.52 : 182,363,533.08 = 82,542,675.68 : x - Step 2: Convert to fraction form
132,188,491.52/182,363,533.08 = 82,542,675.68/x - Step 3: Cross multiply
132,188,491.52x = 182,363,533.08 × 82,542,675.68 - Step 4: Simplify right side
132,188,491.52x = 15,052,773,966,881,394 - Step 5: Solve for x
x = 15,052,773,966,881,394/132,188,491.52 - Step 6: Final answer
x = 113,873,558.84
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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.