Finding the Fourth Proportional to 164,522,773.20, 246,784,159.80 and 83,901,205.20
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Solution
The fourth proportional to 164,522,773.20, 246,784,159.80 and 83,901,205.20 is: 125,851,807.80
Step by Step Solution
- Step 1: Write the proportion equation
164,522,773.20 : 246,784,159.80 = 83,901,205.20 : x - Step 2: Convert to fraction form
164,522,773.20/246,784,159.80 = 83,901,205.20/x - Step 3: Cross multiply
164,522,773.20x = 246,784,159.80 × 83,901,205.20 - Step 4: Simplify right side
164,522,773.20x = 20,705,488,431,489,392 - Step 5: Solve for x
x = 20,705,488,431,489,392/164,522,773.20 - Step 6: Final answer
x = 125,851,807.80
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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.