Finding the Fourth Proportional to 251,895,400.84, 347,601,598.02 and 138,861,245.80
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Solution
The fourth proportional to 251,895,400.84, 347,601,598.02 and 138,861,245.80 is: 191,620,771.09
Step by Step Solution
- Step 1: Write the proportion equation
251,895,400.84 : 347,601,598.02 = 138,861,245.80 : x - Step 2: Convert to fraction form
251,895,400.84/347,601,598.02 = 138,861,245.80/x - Step 3: Cross multiply
251,895,400.84x = 347,601,598.02 × 138,861,245.80 - Step 4: Simplify right side
251,895,400.84x = 48,268,390,943,128,016 - Step 5: Solve for x
x = 48,268,390,943,128,016/251,895,400.84 - Step 6: Final answer
x = 191,620,771.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.