Finding the Fourth Proportional to 161,657,497.20, 242,486,245.80 and 161,657,497.20
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Solution
The fourth proportional to 161,657,497.20, 242,486,245.80 and 161,657,497.20 is: 242,486,245.80
Step by Step Solution
- Step 1: Write the proportion equation
161,657,497.20 : 242,486,245.80 = 161,657,497.20 : x - Step 2: Convert to fraction form
161,657,497.20/242,486,245.80 = 161,657,497.20/x - Step 3: Cross multiply
161,657,497.20x = 242,486,245.80 × 161,657,497.20 - Step 4: Simplify right side
161,657,497.20x = 39,199,719,601,452,008 - Step 5: Solve for x
x = 39,199,719,601,452,008/161,657,497.20 - Step 6: Final answer
x = 242,486,245.80
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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.