Finding the Fourth Proportional to 125,188,326.96, 172,560,344.58 and 98,683,486.26
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Solution
The fourth proportional to 125,188,326.96, 172,560,344.58 and 98,683,486.26 is: 136,025,912.37
Step by Step Solution
- Step 1: Write the proportion equation
125,188,326.96 : 172,560,344.58 = 98,683,486.26 : x - Step 2: Convert to fraction form
125,188,326.96/172,560,344.58 = 98,683,486.26/x - Step 3: Cross multiply
125,188,326.96x = 172,560,344.58 × 98,683,486.26 - Step 4: Simplify right side
125,188,326.96x = 17,028,856,393,381,298 - Step 5: Solve for x
x = 17,028,856,393,381,298/125,188,326.96 - Step 6: Final answer
x = 136,025,912.37
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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.