Finding the Fourth Proportional to 168,694,331.80, 253,041,497.70 and 100,669,883.80
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Solution
The fourth proportional to 168,694,331.80, 253,041,497.70 and 100,669,883.80 is: 151,004,825.70
Step by Step Solution
- Step 1: Write the proportion equation
168,694,331.80 : 253,041,497.70 = 100,669,883.80 : x - Step 2: Convert to fraction form
168,694,331.80/253,041,497.70 = 100,669,883.80/x - Step 3: Cross multiply
168,694,331.80x = 253,041,497.70 × 100,669,883.80 - Step 4: Simplify right side
168,694,331.80x = 25,473,658,170,036,964 - Step 5: Solve for x
x = 25,473,658,170,036,964/168,694,331.80 - Step 6: Final answer
x = 151,004,825.70
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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.