Finding the Fourth Proportional to 49,481,903.40, 74,096,883.90 and 47,214,421.80
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Solution
The fourth proportional to 49,481,903.40, 74,096,883.90 and 47,214,421.80 is: 70,701,434.06
Step by Step Solution
- Step 1: Write the proportion equation
49,481,903.40 : 74,096,883.90 = 47,214,421.80 : x - Step 2: Convert to fraction form
49,481,903.40/74,096,883.90 = 47,214,421.80/x - Step 3: Cross multiply
49,481,903.40x = 74,096,883.90 × 47,214,421.80 - Step 4: Simplify right side
49,481,903.40x = 3,498,441,530,520,229 - Step 5: Solve for x
x = 3,498,441,530,520,229/49,481,903.40 - Step 6: Final answer
x = 70,701,434.06
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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.