Finding the Fourth Proportional to 66,406,122.10, 99,609,183.15 and 48,124,551.70
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Solution
The fourth proportional to 66,406,122.10, 99,609,183.15 and 48,124,551.70 is: 72,186,827.55
Step by Step Solution
- Step 1: Write the proportion equation
66,406,122.10 : 99,609,183.15 = 48,124,551.70 : x - Step 2: Convert to fraction form
66,406,122.10/99,609,183.15 = 48,124,551.70/x - Step 3: Cross multiply
66,406,122.10x = 99,609,183.15 × 48,124,551.70 - Step 4: Simplify right side
66,406,122.10x = 4,793,647,284,296,944 - Step 5: Solve for x
x = 4,793,647,284,296,944/66,406,122.10 - Step 6: Final answer
x = 72,186,827.55
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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.