Finding the Fourth Proportional to 83,145,302.80, 124,717,954.20 and 52,534,301.20
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Solution
The fourth proportional to 83,145,302.80, 124,717,954.20 and 52,534,301.20 is: 78,801,451.80
Step by Step Solution
- Step 1: Write the proportion equation
83,145,302.80 : 124,717,954.20 = 52,534,301.20 : x - Step 2: Convert to fraction form
83,145,302.80/124,717,954.20 = 52,534,301.20/x - Step 3: Cross multiply
83,145,302.80x = 124,717,954.20 × 52,534,301.20 - Step 4: Simplify right side
83,145,302.80x = 6,551,970,570,990,606 - Step 5: Solve for x
x = 6,551,970,570,990,606/83,145,302.80 - Step 6: Final answer
x = 78,801,451.80
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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.