Finding the Fourth Proportional to 149,542,418.80, 224,313,628.20 and 68,920,850.80
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Solution
The fourth proportional to 149,542,418.80, 224,313,628.20 and 68,920,850.80 is: 103,381,276.20
Step by Step Solution
- Step 1: Write the proportion equation
149,542,418.80 : 224,313,628.20 = 68,920,850.80 : x - Step 2: Convert to fraction form
149,542,418.80/224,313,628.20 = 68,920,850.80/x - Step 3: Cross multiply
149,542,418.80x = 224,313,628.20 × 68,920,850.80 - Step 4: Simplify right side
149,542,418.80x = 15,459,886,101,578,872 - Step 5: Solve for x
x = 15,459,886,101,578,872/149,542,418.80 - Step 6: Final answer
x = 103,381,276.20
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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.