Finding the Fourth Proportional to 134,314,339.20, 201,471,508.80 and 123,564,796.80
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Solution
The fourth proportional to 134,314,339.20, 201,471,508.80 and 123,564,796.80 is: 185,347,195.20
Step by Step Solution
- Step 1: Write the proportion equation
134,314,339.20 : 201,471,508.80 = 123,564,796.80 : x - Step 2: Convert to fraction form
134,314,339.20/201,471,508.80 = 123,564,796.80/x - Step 3: Cross multiply
134,314,339.20x = 201,471,508.80 × 123,564,796.80 - Step 4: Simplify right side
134,314,339.20x = 24,894,786,045,861,412 - Step 5: Solve for x
x = 24,894,786,045,861,412/134,314,339.20 - Step 6: Final answer
x = 185,347,195.20
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1.5x scale
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.