Finding the Fourth Proportional to 201,738,949.30, 302,608,423.95 and 120,109,611.70
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Solution
The fourth proportional to 201,738,949.30, 302,608,423.95 and 120,109,611.70 is: 180,164,417.55
Step by Step Solution
- Step 1: Write the proportion equation
201,738,949.30 : 302,608,423.95 = 120,109,611.70 : x - Step 2: Convert to fraction form
201,738,949.30/302,608,423.95 = 120,109,611.70/x - Step 3: Cross multiply
201,738,949.30x = 302,608,423.95 × 120,109,611.70 - Step 4: Simplify right side
201,738,949.30x = 36,346,180,297,783,480 - Step 5: Solve for x
x = 36,346,180,297,783,480/201,738,949.30 - Step 6: Final answer
x = 180,164,417.55
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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.