Finding the Fourth Proportional to 220,046,446.80, 330,282,246.60 and 133,953,004.80
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Solution
The fourth proportional to 220,046,446.80, 330,282,246.60 and 133,953,004.80 is: 201,058,912.82
Step by Step Solution
- Step 1: Write the proportion equation
220,046,446.80 : 330,282,246.60 = 133,953,004.80 : x - Step 2: Convert to fraction form
220,046,446.80/330,282,246.60 = 133,953,004.80/x - Step 3: Cross multiply
220,046,446.80x = 330,282,246.60 × 133,953,004.80 - Step 4: Simplify right side
220,046,446.80x = 44,242,299,364,164,584 - Step 5: Solve for x
x = 44,242,299,364,164,584/220,046,446.80 - Step 6: Final answer
x = 201,058,912.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.