Finding the Fourth Proportional to 126,296,241.99, 174,288,811.82 and 68,349,489.99
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Solution
The fourth proportional to 126,296,241.99, 174,288,811.82 and 68,349,489.99 is: 94,322,295.03
Step by Step Solution
- Step 1: Write the proportion equation
126,296,241.99 : 174,288,811.82 = 68,349,489.99 : x - Step 2: Convert to fraction form
126,296,241.99/174,288,811.82 = 68,349,489.99/x - Step 3: Cross multiply
126,296,241.99x = 174,288,811.82 × 68,349,489.99 - Step 4: Simplify right side
126,296,241.99x = 11,912,551,398,518,336 - Step 5: Solve for x
x = 11,912,551,398,518,336/126,296,241.99 - Step 6: Final answer
x = 94,322,295.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.