Finding the Fourth Proportional to 263,265,829.80, 363,318,265.38 and 145,791,160.05
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Solution
The fourth proportional to 263,265,829.80, 363,318,265.38 and 145,791,160.05 is: 201,198,125.17
Step by Step Solution
- Step 1: Write the proportion equation
263,265,829.80 : 363,318,265.38 = 145,791,160.05 : x - Step 2: Convert to fraction form
263,265,829.80/363,318,265.38 = 145,791,160.05/x - Step 3: Cross multiply
263,265,829.80x = 363,318,265.38 × 145,791,160.05 - Step 4: Simplify right side
263,265,829.80x = 52,968,591,377,103,960 - Step 5: Solve for x
x = 52,968,591,377,103,960/263,265,829.80 - Step 6: Final answer
x = 201,198,125.17
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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.