Finding the Fourth Proportional to 271,207,780.54, 374,346,388.65 and 177,136,308.74
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Solution
The fourth proportional to 271,207,780.54, 374,346,388.65 and 177,136,308.74 is: 244,500,129.55
Step by Step Solution
- Step 1: Write the proportion equation
271,207,780.54 : 374,346,388.65 = 177,136,308.74 : x - Step 2: Convert to fraction form
271,207,780.54/374,346,388.65 = 177,136,308.74/x - Step 3: Cross multiply
271,207,780.54x = 374,346,388.65 × 177,136,308.74 - Step 4: Simplify right side
271,207,780.54x = 66,310,337,477,210,560 - Step 5: Solve for x
x = 66,310,337,477,210,560/271,207,780.54 - Step 6: Final answer
x = 244,500,129.55
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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.