Finding the Fourth Proportional to 202,752,015.40, 304,128,023.10 and 66,441,845.80
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Solution
The fourth proportional to 202,752,015.40, 304,128,023.10 and 66,441,845.80 is: 99,662,768.70
Step by Step Solution
- Step 1: Write the proportion equation
202,752,015.40 : 304,128,023.10 = 66,441,845.80 : x - Step 2: Convert to fraction form
202,752,015.40/304,128,023.10 = 66,441,845.80/x - Step 3: Cross multiply
202,752,015.40x = 304,128,023.10 × 66,441,845.80 - Step 4: Simplify right side
202,752,015.40x = 20,206,827,214,269,040 - Step 5: Solve for x
x = 20,206,827,214,269,040/202,752,015.40 - Step 6: Final answer
x = 99,662,768.70
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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.