Finding the Fourth Proportional to 179,761,506.68, 248,242,207.20 and 169,968,237.32
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Solution
The fourth proportional to 179,761,506.68, 248,242,207.20 and 169,968,237.32 is: 234,718,161.67
Step by Step Solution
- Step 1: Write the proportion equation
179,761,506.68 : 248,242,207.20 = 169,968,237.32 : x - Step 2: Convert to fraction form
179,761,506.68/248,242,207.20 = 169,968,237.32/x - Step 3: Cross multiply
179,761,506.68x = 248,242,207.20 × 169,968,237.32 - Step 4: Simplify right side
179,761,506.68x = 42,193,290,386,210,208 - Step 5: Solve for x
x = 42,193,290,386,210,208/179,761,506.68 - Step 6: Final answer
x = 234,718,161.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.