Finding the Fourth Proportional to 217,401,347.88, 326,306,333.16 and 113,844,882.12
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Solution
The fourth proportional to 217,401,347.88, 326,306,333.16 and 113,844,882.12 is: 170,874,313.32
Step by Step Solution
- Step 1: Write the proportion equation
217,401,347.88 : 326,306,333.16 = 113,844,882.12 : x - Step 2: Convert to fraction form
217,401,347.88/326,306,333.16 = 113,844,882.12/x - Step 3: Cross multiply
217,401,347.88x = 326,306,333.16 × 113,844,882.12 - Step 4: Simplify right side
217,401,347.88x = 37,148,306,033,609,648 - Step 5: Solve for x
x = 37,148,306,033,609,648/217,401,347.88 - Step 6: Final answer
x = 170,874,313.32
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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.