Finding the Fourth Proportional to 89,050,644.60, 133,528,727.70 and 31,544,791.80
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Solution
The fourth proportional to 89,050,644.60, 133,528,727.70 and 31,544,791.80 is: 47,300,453.96
Step by Step Solution
- Step 1: Write the proportion equation
89,050,644.60 : 133,528,727.70 = 31,544,791.80 : x - Step 2: Convert to fraction form
89,050,644.60/133,528,727.70 = 31,544,791.80/x - Step 3: Cross multiply
89,050,644.60x = 133,528,727.70 × 31,544,791.80 - Step 4: Simplify right side
89,050,644.60x = 4,212,135,914,615,393 - Step 5: Solve for x
x = 4,212,135,914,615,393/89,050,644.60 - Step 6: Final answer
x = 47,300,453.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.