Finding the Fourth Proportional to 230,107,839.68, 345,163,049.88 and 76,753,475.12
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Solution
The fourth proportional to 230,107,839.68, 345,163,049.88 and 76,753,475.12 is: 115,130,643.09
Step by Step Solution
- Step 1: Write the proportion equation
230,107,839.68 : 345,163,049.88 = 76,753,475.12 : x - Step 2: Convert to fraction form
230,107,839.68/345,163,049.88 = 76,753,475.12/x - Step 3: Cross multiply
230,107,839.68x = 345,163,049.88 × 76,753,475.12 - Step 4: Simplify right side
230,107,839.68x = 26,492,463,561,307,900 - Step 5: Solve for x
x = 26,492,463,561,307,900/230,107,839.68 - Step 6: Final answer
x = 115,130,643.09
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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.