Finding the Fourth Proportional to 54,974,207.80, 82,461,311.70 and 53,714,495.80
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Solution
The fourth proportional to 54,974,207.80, 82,461,311.70 and 53,714,495.80 is: 80,571,743.70
Step by Step Solution
- Step 1: Write the proportion equation
54,974,207.80 : 82,461,311.70 = 53,714,495.80 : x - Step 2: Convert to fraction form
54,974,207.80/82,461,311.70 = 53,714,495.80/x - Step 3: Cross multiply
54,974,207.80x = 82,461,311.70 × 53,714,495.80 - Step 4: Simplify right side
54,974,207.80x = 4,429,367,780,972,141 - Step 5: Solve for x
x = 4,429,367,780,972,141/54,974,207.80 - Step 6: Final answer
x = 80,571,743.70
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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.