Finding the Fourth Proportional to 99,697,751.40, 149,546,627.10 and 39,115,453.80
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Solution
The fourth proportional to 99,697,751.40, 149,546,627.10 and 39,115,453.80 is: 58,673,180.70
Step by Step Solution
- Step 1: Write the proportion equation
99,697,751.40 : 149,546,627.10 = 39,115,453.80 : x - Step 2: Convert to fraction form
99,697,751.40/149,546,627.10 = 39,115,453.80/x - Step 3: Cross multiply
99,697,751.40x = 149,546,627.10 × 39,115,453.80 - Step 4: Simplify right side
99,697,751.40x = 5,849,584,183,275,877 - Step 5: Solve for x
x = 5,849,584,183,275,877/99,697,751.40 - Step 6: Final answer
x = 58,673,180.70
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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.