Finding the Fourth Proportional to 44,293,542.40, 66,440,313.60 and 28,066,877.20
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Solution
The fourth proportional to 44,293,542.40, 66,440,313.60 and 28,066,877.20 is: 42,100,315.80
Step by Step Solution
- Step 1: Write the proportion equation
44,293,542.40 : 66,440,313.60 = 28,066,877.20 : x - Step 2: Convert to fraction form
44,293,542.40/66,440,313.60 = 28,066,877.20/x - Step 3: Cross multiply
44,293,542.40x = 66,440,313.60 × 28,066,877.20 - Step 4: Simplify right side
44,293,542.40x = 1,864,772,122,940,690 - Step 5: Solve for x
x = 1,864,772,122,940,690/44,293,542.40 - Step 6: Final answer
x = 42,100,315.80
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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.