Finding the Fourth Proportional to 271,157,812.38, 374,201,881.08 and 152,106,794.78
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Solution
The fourth proportional to 271,157,812.38, 374,201,881.08 and 152,106,794.78 is: 209,909,676.70
Step by Step Solution
- Step 1: Write the proportion equation
271,157,812.38 : 374,201,881.08 = 152,106,794.78 : x - Step 2: Convert to fraction form
271,157,812.38/374,201,881.08 = 152,106,794.78/x - Step 3: Cross multiply
271,157,812.38x = 374,201,881.08 × 152,106,794.78 - Step 4: Simplify right side
271,157,812.38x = 56,918,648,731,725,520 - Step 5: Solve for x
x = 56,918,648,731,725,520/271,157,812.38 - Step 6: Final answer
x = 209,909,676.70
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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.