Finding the Fourth Proportional to 283,882,163.20, 425,869,961.28 and 87,140,636.80
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Solution
The fourth proportional to 283,882,163.20, 425,869,961.28 and 87,140,636.80 is: 130,725,295.32
Step by Step Solution
- Step 1: Write the proportion equation
283,882,163.20 : 425,869,961.28 = 87,140,636.80 : x - Step 2: Convert to fraction form
283,882,163.20/425,869,961.28 = 87,140,636.80/x - Step 3: Cross multiply
283,882,163.20x = 425,869,961.28 × 87,140,636.80 - Step 4: Simplify right side
283,882,163.20x = 37,110,579,619,930,536 - Step 5: Solve for x
x = 37,110,579,619,930,536/283,882,163.20 - Step 6: Final answer
x = 130,725,295.32
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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.