Finding the Fourth Proportional to 243,689,627.88, 365,546,252.70 and 79,912,896.12
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Solution
The fourth proportional to 243,689,627.88, 365,546,252.70 and 79,912,896.12 is: 119,873,217.31
Step by Step Solution
- Step 1: Write the proportion equation
243,689,627.88 : 365,546,252.70 = 79,912,896.12 : x - Step 2: Convert to fraction form
243,689,627.88/365,546,252.70 = 79,912,896.12/x - Step 3: Cross multiply
243,689,627.88x = 365,546,252.70 × 79,912,896.12 - Step 4: Simplify right side
243,689,627.88x = 29,211,859,719,070,372 - Step 5: Solve for x
x = 29,211,859,719,070,372/243,689,627.88 - Step 6: Final answer
x = 119,873,217.31
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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.