Finding the Fourth Proportional to 172,642,742.42, 238,244,204.13 and 94,324,614.26
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Solution
The fourth proportional to 172,642,742.42, 238,244,204.13 and 94,324,614.26 is: 130,166,448.58
Step by Step Solution
- Step 1: Write the proportion equation
172,642,742.42 : 238,244,204.13 = 94,324,614.26 : x - Step 2: Convert to fraction form
172,642,742.42/238,244,204.13 = 94,324,614.26/x - Step 3: Cross multiply
172,642,742.42x = 238,244,204.13 × 94,324,614.26 - Step 4: Simplify right side
172,642,742.42x = 22,472,292,654,242,948 - Step 5: Solve for x
x = 22,472,292,654,242,948/172,642,742.42 - Step 6: Final answer
x = 130,166,448.58
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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.