Finding the Fourth Proportional to 108,172,466.84, 149,278,523.79 and 58,612,827.44
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Solution
The fourth proportional to 108,172,466.84, 149,278,523.79 and 58,612,827.44 is: 80,885,983.38
Step by Step Solution
- Step 1: Write the proportion equation
108,172,466.84 : 149,278,523.79 = 58,612,827.44 : x - Step 2: Convert to fraction form
108,172,466.84/149,278,523.79 = 58,612,827.44/x - Step 3: Cross multiply
108,172,466.84x = 149,278,523.79 × 58,612,827.44 - Step 4: Simplify right side
108,172,466.84x = 8,749,636,354,654,812 - Step 5: Solve for x
x = 8,749,636,354,654,812/108,172,466.84 - Step 6: Final answer
x = 80,885,983.38
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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.