Finding the Fourth Proportional to 315,819,091.80, 473,728,637.70 and 111,279,187.80
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Solution
The fourth proportional to 315,819,091.80, 473,728,637.70 and 111,279,187.80 is: 166,918,781.70
Step by Step Solution
- Step 1: Write the proportion equation
315,819,091.80 : 473,728,637.70 = 111,279,187.80 : x - Step 2: Convert to fraction form
315,819,091.80/473,728,637.70 = 111,279,187.80/x - Step 3: Cross multiply
315,819,091.80x = 473,728,637.70 × 111,279,187.80 - Step 4: Simplify right side
315,819,091.80x = 52,716,138,040,856,456 - Step 5: Solve for x
x = 52,716,138,040,856,456/315,819,091.80 - Step 6: Final answer
x = 166,918,781.70
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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.