Finding the Fourth Proportional to 126,296,011.06, 174,288,493.74 and 68,349,259.06
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Solution
The fourth proportional to 126,296,011.06, 174,288,493.74 and 68,349,259.06 is: 94,321,976.68
Step by Step Solution
- Step 1: Write the proportion equation
126,296,011.06 : 174,288,493.74 = 68,349,259.06 : x - Step 2: Convert to fraction form
126,296,011.06/174,288,493.74 = 68,349,259.06/x - Step 3: Cross multiply
126,296,011.06x = 174,288,493.74 × 68,349,259.06 - Step 4: Simplify right side
126,296,011.06x = 11,912,489,409,812,450 - Step 5: Solve for x
x = 11,912,489,409,812,450/126,296,011.06 - Step 6: Final answer
x = 94,321,976.68
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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.