Finding the Fourth Proportional to 149,467,940.80, 224,201,911.20 and 80,593,187.20
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Solution
The fourth proportional to 149,467,940.80, 224,201,911.20 and 80,593,187.20 is: 120,889,780.80
Step by Step Solution
- Step 1: Write the proportion equation
149,467,940.80 : 224,201,911.20 = 80,593,187.20 : x - Step 2: Convert to fraction form
149,467,940.80/224,201,911.20 = 80,593,187.20/x - Step 3: Cross multiply
149,467,940.80x = 224,201,911.20 × 80,593,187.20 - Step 4: Simplify right side
149,467,940.80x = 18,069,146,599,939,376 - Step 5: Solve for x
x = 18,069,146,599,939,376/149,467,940.80 - Step 6: Final answer
x = 120,889,780.80
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1.5x scale
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.