Finding the Fourth Proportional to 129,494,946.80, 194,253,479.40 and 44,394,402.80
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Solution
The fourth proportional to 129,494,946.80, 194,253,479.40 and 44,394,402.80 is: 66,595,395.60
Step by Step Solution
- Step 1: Write the proportion equation
129,494,946.80 : 194,253,479.40 = 44,394,402.80 : x - Step 2: Convert to fraction form
129,494,946.80/194,253,479.40 = 44,394,402.80/x - Step 3: Cross multiply
129,494,946.80x = 194,253,479.40 × 44,394,402.80 - Step 4: Simplify right side
129,494,946.80x = 8,623,767,209,785,102 - Step 5: Solve for x
x = 8,623,767,209,785,102/129,494,946.80 - Step 6: Final answer
x = 66,595,395.60
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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.