Finding the Fourth Proportional to 202,244,057.09, 279,017,388.63 and 117,456,742.68
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Solution
The fourth proportional to 202,244,057.09, 279,017,388.63 and 117,456,742.68 is: 162,044,186.08
Step by Step Solution
- Step 1: Write the proportion equation
202,244,057.09 : 279,017,388.63 = 117,456,742.68 : x - Step 2: Convert to fraction form
202,244,057.09/279,017,388.63 = 117,456,742.68/x - Step 3: Cross multiply
202,244,057.09x = 279,017,388.63 × 117,456,742.68 - Step 4: Simplify right side
202,244,057.09x = 32,772,473,619,559,468 - Step 5: Solve for x
x = 32,772,473,619,559,468/202,244,057.09 - Step 6: Final answer
x = 162,044,186.08
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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.