Finding the Fourth Proportional to 168,324,903.70, 235,080,908.90 and 168,324,903.70
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Solution
The fourth proportional to 168,324,903.70, 235,080,908.90 and 168,324,903.70 is: 235,080,908.90
Step by Step Solution
- Step 1: Write the proportion equation
168,324,903.70 : 235,080,908.90 = 168,324,903.70 : x - Step 2: Convert to fraction form
168,324,903.70/235,080,908.90 = 168,324,903.70/x - Step 3: Cross multiply
168,324,903.70x = 235,080,908.90 × 168,324,903.70 - Step 4: Simplify right side
168,324,903.70x = 39,569,971,352,300,968 - Step 5: Solve for x
x = 39,569,971,352,300,968/168,324,903.70 - Step 6: Final answer
x = 235,080,908.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.