Finding the Fourth Proportional to 83,239,166.24, 124,609,984.32 and 50,350,202.88
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Solution
The fourth proportional to 83,239,166.24, 124,609,984.32 and 50,350,202.88 is: 75,374,829.84
Step by Step Solution
- Step 1: Write the proportion equation
83,239,166.24 : 124,609,984.32 = 50,350,202.88 : x - Step 2: Convert to fraction form
83,239,166.24/124,609,984.32 = 50,350,202.88/x - Step 3: Cross multiply
83,239,166.24x = 124,609,984.32 × 50,350,202.88 - Step 4: Simplify right side
83,239,166.24x = 6,274,137,991,385,619 - Step 5: Solve for x
x = 6,274,137,991,385,619/83,239,166.24 - Step 6: Final answer
x = 75,374,829.84
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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.