Finding the Fourth Proportional to 107,839,107.20, 161,758,660.80 and 88,691,484.80
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Solution
The fourth proportional to 107,839,107.20, 161,758,660.80 and 88,691,484.80 is: 133,037,227.20
Step by Step Solution
- Step 1: Write the proportion equation
107,839,107.20 : 161,758,660.80 = 88,691,484.80 : x - Step 2: Convert to fraction form
107,839,107.20/161,758,660.80 = 88,691,484.80/x - Step 3: Cross multiply
107,839,107.20x = 161,758,660.80 × 88,691,484.80 - Step 4: Simplify right side
107,839,107.20x = 14,346,615,805,611,556 - Step 5: Solve for x
x = 14,346,615,805,611,556/107,839,107.20 - Step 6: Final answer
x = 133,037,227.20
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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.