Finding the Fourth Proportional to 126,296,010.06, 174,288,492.36 and 68,349,258.06
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Solution
The fourth proportional to 126,296,010.06, 174,288,492.36 and 68,349,258.06 is: 94,321,975.30
Step by Step Solution
- Step 1: Write the proportion equation
126,296,010.06 : 174,288,492.36 = 68,349,258.06 : x - Step 2: Convert to fraction form
126,296,010.06/174,288,492.36 = 68,349,258.06/x - Step 3: Cross multiply
126,296,010.06x = 174,288,492.36 × 68,349,258.06 - Step 4: Simplify right side
126,296,010.06x = 11,912,489,141,201,980 - Step 5: Solve for x
x = 11,912,489,141,201,980/126,296,010.06 - Step 6: Final answer
x = 94,321,975.30
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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.