Finding the Fourth Proportional to 225,550,403.05, 311,324,426.81 and 136,228,159.21
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Solution
The fourth proportional to 225,550,403.05, 311,324,426.81 and 136,228,159.21 is: 188,034,040.32
Step by Step Solution
- Step 1: Write the proportion equation
225,550,403.05 : 311,324,426.81 = 136,228,159.21 : x - Step 2: Convert to fraction form
225,550,403.05/311,324,426.81 = 136,228,159.21/x - Step 3: Cross multiply
225,550,403.05x = 311,324,426.81 × 136,228,159.21 - Step 4: Simplify right side
225,550,403.05x = 42,411,153,581,434,672 - Step 5: Solve for x
x = 42,411,153,581,434,672/225,550,403.05 - Step 6: Final answer
x = 188,034,040.32
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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.