Finding the Fourth Proportional to 108,172,433.62, 149,278,478.07 and 58,612,794.13
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Solution
The fourth proportional to 108,172,433.62, 149,278,478.07 and 58,612,794.13 is: 80,885,937.48
Step by Step Solution
- Step 1: Write the proportion equation
108,172,433.62 : 149,278,478.07 = 58,612,794.13 : x - Step 2: Convert to fraction form
108,172,433.62/149,278,478.07 = 58,612,794.13/x - Step 3: Cross multiply
108,172,433.62x = 149,278,478.07 × 58,612,794.13 - Step 4: Simplify right side
108,172,433.62x = 8,749,628,703,156,630 - Step 5: Solve for x
x = 8,749,628,703,156,630/108,172,433.62 - Step 6: Final answer
x = 80,885,937.48
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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.