Finding the Fourth Proportional to 169,986,383.20, 254,979,574.80 and 166,207,247.20
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Solution
The fourth proportional to 169,986,383.20, 254,979,574.80 and 166,207,247.20 is: 249,310,870.80
Step by Step Solution
- Step 1: Write the proportion equation
169,986,383.20 : 254,979,574.80 = 166,207,247.20 : x - Step 2: Convert to fraction form
169,986,383.20/254,979,574.80 = 166,207,247.20/x - Step 3: Cross multiply
169,986,383.20x = 254,979,574.80 × 166,207,247.20 - Step 4: Simplify right side
169,986,383.20x = 42,379,453,219,734,488 - Step 5: Solve for x
x = 42,379,453,219,734,488/169,986,383.20 - Step 6: Final answer
x = 249,310,870.80
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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.