Finding the Fourth Proportional to 216,286,360.76, 324,449,486.70 and 70,720,668.68
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Solution
The fourth proportional to 216,286,360.76, 324,449,486.70 and 70,720,668.68 is: 106,087,524.76
Step by Step Solution
- Step 1: Write the proportion equation
216,286,360.76 : 324,449,486.70 = 70,720,668.68 : x - Step 2: Convert to fraction form
216,286,360.76/324,449,486.70 = 70,720,668.68/x - Step 3: Cross multiply
216,286,360.76x = 324,449,486.70 × 70,720,668.68 - Step 4: Simplify right side
216,286,360.76x = 22,945,284,652,306,768 - Step 5: Solve for x
x = 22,945,284,652,306,768/216,286,360.76 - Step 6: Final answer
x = 106,087,524.76
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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.