Finding the Fourth Proportional to 80,850,855.60, 121,276,283.40 and 32,304,704.40
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Solution
The fourth proportional to 80,850,855.60, 121,276,283.40 and 32,304,704.40 is: 48,457,056.60
Step by Step Solution
- Step 1: Write the proportion equation
80,850,855.60 : 121,276,283.40 = 32,304,704.40 : x - Step 2: Convert to fraction form
80,850,855.60/121,276,283.40 = 32,304,704.40/x - Step 3: Cross multiply
80,850,855.60x = 121,276,283.40 × 32,304,704.40 - Step 4: Simplify right side
80,850,855.60x = 3,917,794,485,967,627 - Step 5: Solve for x
x = 3,917,794,485,967,627/80,850,855.60 - Step 6: Final answer
x = 48,457,056.60
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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.