Finding the Fourth Proportional to 283,557,815.70, 425,336,723.55 and 68,147,063.70
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Solution
The fourth proportional to 283,557,815.70, 425,336,723.55 and 68,147,063.70 is: 102,220,595.55
Step by Step Solution
- Step 1: Write the proportion equation
283,557,815.70 : 425,336,723.55 = 68,147,063.70 : x - Step 2: Convert to fraction form
283,557,815.70/425,336,723.55 = 68,147,063.70/x - Step 3: Cross multiply
283,557,815.70x = 425,336,723.55 × 68,147,063.70 - Step 4: Simplify right side
283,557,815.70x = 28,985,448,793,711,144 - Step 5: Solve for x
x = 28,985,448,793,711,144/283,557,815.70 - Step 6: Final answer
x = 102,220,595.55
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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.