Finding the Fourth Proportional to 172,311,925.36, 237,790,168.70 and 93,995,478.84
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Solution
The fourth proportional to 172,311,925.36, 237,790,168.70 and 93,995,478.84 is: 129,713,603.53
Step by Step Solution
- Step 1: Write the proportion equation
172,311,925.36 : 237,790,168.70 = 93,995,478.84 : x - Step 2: Convert to fraction form
172,311,925.36/237,790,168.70 = 93,995,478.84/x - Step 3: Cross multiply
172,311,925.36x = 237,790,168.70 × 93,995,478.84 - Step 4: Simplify right side
172,311,925.36x = 22,351,200,770,400,880 - Step 5: Solve for x
x = 22,351,200,770,400,880/172,311,925.36 - Step 6: Final answer
x = 129,713,603.53
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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.