Finding the Fourth Proportional to 167,112,489.80, 250,668,734.70 and 155,775,081.80
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Solution
The fourth proportional to 167,112,489.80, 250,668,734.70 and 155,775,081.80 is: 233,662,622.70
Step by Step Solution
- Step 1: Write the proportion equation
167,112,489.80 : 250,668,734.70 = 155,775,081.80 : x - Step 2: Convert to fraction form
167,112,489.80/250,668,734.70 = 155,775,081.80/x - Step 3: Cross multiply
167,112,489.80x = 250,668,734.70 × 155,775,081.80 - Step 4: Simplify right side
167,112,489.80x = 39,047,942,652,595,000 - Step 5: Solve for x
x = 39,047,942,652,595,000/167,112,489.80 - Step 6: Final answer
x = 233,662,622.70
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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.