Finding the Fourth Proportional to 102,568,326.70, 153,852,490.05 and 30,764,742.70
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Solution
The fourth proportional to 102,568,326.70, 153,852,490.05 and 30,764,742.70 is: 46,147,114.05
Step by Step Solution
- Step 1: Write the proportion equation
102,568,326.70 : 153,852,490.05 = 30,764,742.70 : x - Step 2: Convert to fraction form
102,568,326.70/153,852,490.05 = 30,764,742.70/x - Step 3: Cross multiply
102,568,326.70x = 153,852,490.05 × 30,764,742.70 - Step 4: Simplify right side
102,568,326.70x = 4,733,232,270,142,560 - Step 5: Solve for x
x = 4,733,232,270,142,560/102,568,326.70 - Step 6: Final answer
x = 46,147,114.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.