Finding the Fourth Proportional to 126,296,013.56, 174,288,497.19 and 68,349,261.56
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Solution
The fourth proportional to 126,296,013.56, 174,288,497.19 and 68,349,261.56 is: 94,321,980.13
Step by Step Solution
- Step 1: Write the proportion equation
126,296,013.56 : 174,288,497.19 = 68,349,261.56 : x - Step 2: Convert to fraction form
126,296,013.56/174,288,497.19 = 68,349,261.56/x - Step 3: Cross multiply
126,296,013.56x = 174,288,497.19 × 68,349,261.56 - Step 4: Simplify right side
126,296,013.56x = 11,912,490,081,338,636 - Step 5: Solve for x
x = 11,912,490,081,338,636/126,296,013.56 - Step 6: Final answer
x = 94,321,980.13
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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.