Finding the Fourth Proportional to 341,875,354.10, 512,813,031.15 and 99,546,163.70
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Solution
The fourth proportional to 341,875,354.10, 512,813,031.15 and 99,546,163.70 is: 149,319,245.55
Step by Step Solution
- Step 1: Write the proportion equation
341,875,354.10 : 512,813,031.15 = 99,546,163.70 : x - Step 2: Convert to fraction form
341,875,354.10/512,813,031.15 = 99,546,163.70/x - Step 3: Cross multiply
341,875,354.10x = 512,813,031.15 × 99,546,163.70 - Step 4: Simplify right side
341,875,354.10x = 51,048,569,946,351,096 - Step 5: Solve for x
x = 51,048,569,946,351,096/341,875,354.10 - Step 6: Final answer
x = 149,319,245.55
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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.