Finding the Fourth Proportional to 112,283,134.20, 168,401,081.70 and 47,589,049.80
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Solution
The fourth proportional to 112,283,134.20, 168,401,081.70 and 47,589,049.80 is: 71,373,563.99
Step by Step Solution
- Step 1: Write the proportion equation
112,283,134.20 : 168,401,081.70 = 47,589,049.80 : x - Step 2: Convert to fraction form
112,283,134.20/168,401,081.70 = 47,589,049.80/x - Step 3: Cross multiply
112,283,134.20x = 168,401,081.70 × 47,589,049.80 - Step 4: Simplify right side
112,283,134.20x = 8,014,047,463,395,168 - Step 5: Solve for x
x = 8,014,047,463,395,168/112,283,134.20 - Step 6: Final answer
x = 71,373,563.99
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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.