Finding the Fourth Proportional to 83,239,167.74, 124,609,986.57 and 50,350,204.38
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Solution
The fourth proportional to 83,239,167.74, 124,609,986.57 and 50,350,204.38 is: 75,374,832.09
Step by Step Solution
- Step 1: Write the proportion equation
83,239,167.74 : 124,609,986.57 = 50,350,204.38 : x - Step 2: Convert to fraction form
83,239,167.74/124,609,986.57 = 50,350,204.38/x - Step 3: Cross multiply
83,239,167.74x = 124,609,986.57 × 50,350,204.38 - Step 4: Simplify right side
83,239,167.74x = 6,274,138,291,588,555 - Step 5: Solve for x
x = 6,274,138,291,588,555/83,239,167.74 - Step 6: Final answer
x = 75,374,832.09
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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.