Finding the Fourth Proportional to 134,314,628.20, 201,471,942.30 and 123,565,085.80
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Solution
The fourth proportional to 134,314,628.20, 201,471,942.30 and 123,565,085.80 is: 185,347,628.70
Step by Step Solution
- Step 1: Write the proportion equation
134,314,628.20 : 201,471,942.30 = 123,565,085.80 : x - Step 2: Convert to fraction form
134,314,628.20/201,471,942.30 = 123,565,085.80/x - Step 3: Cross multiply
134,314,628.20x = 201,471,942.30 × 123,565,085.80 - Step 4: Simplify right side
134,314,628.20x = 24,894,897,836,592,152 - Step 5: Solve for x
x = 24,894,897,836,592,152/134,314,628.20 - Step 6: Final answer
x = 185,347,628.70
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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.