Finding the Fourth Proportional to 109,654,439.70, 164,481,659.55 and 106,465,793.70
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Solution
The fourth proportional to 109,654,439.70, 164,481,659.55 and 106,465,793.70 is: 159,698,690.55
Step by Step Solution
- Step 1: Write the proportion equation
109,654,439.70 : 164,481,659.55 = 106,465,793.70 : x - Step 2: Convert to fraction form
109,654,439.70/164,481,659.55 = 106,465,793.70/x - Step 3: Cross multiply
109,654,439.70x = 164,481,659.55 × 106,465,793.70 - Step 4: Simplify right side
109,654,439.70x = 17,511,670,433,083,936 - Step 5: Solve for x
x = 17,511,670,433,083,936/109,654,439.70 - Step 6: Final answer
x = 159,698,690.55
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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.