Finding the Fourth Proportional to 64,747,546.80, 97,121,320.20 and 16,878,490.80
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Solution
The fourth proportional to 64,747,546.80, 97,121,320.20 and 16,878,490.80 is: 25,317,736.20
Step by Step Solution
- Step 1: Write the proportion equation
64,747,546.80 : 97,121,320.20 = 16,878,490.80 : x - Step 2: Convert to fraction form
64,747,546.80/97,121,320.20 = 16,878,490.80/x - Step 3: Cross multiply
64,747,546.80x = 97,121,320.20 × 16,878,490.80 - Step 4: Simplify right side
64,747,546.80x = 1,639,261,309,479,554.25 - Step 5: Solve for x
x = 1,639,261,309,479,554.25/64,747,546.80 - Step 6: Final answer
x = 25,317,736.20
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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.