Finding the Fourth Proportional to 163,040,217.28, 224,996,478.35 and 88,701,311.12
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Solution
The fourth proportional to 163,040,217.28, 224,996,478.35 and 88,701,311.12 is: 122,408,341.69
Step by Step Solution
- Step 1: Write the proportion equation
163,040,217.28 : 224,996,478.35 = 88,701,311.12 : x - Step 2: Convert to fraction form
163,040,217.28/224,996,478.35 = 88,701,311.12/x - Step 3: Cross multiply
163,040,217.28x = 224,996,478.35 × 88,701,311.12 - Step 4: Simplify right side
163,040,217.28x = 19,957,482,625,459,204 - Step 5: Solve for x
x = 19,957,482,625,459,204/163,040,217.28 - Step 6: Final answer
x = 122,408,341.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.