Finding the Fourth Proportional to 87,404,463.59, 120,618,141.53 and 48,246,230.12
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Solution
The fourth proportional to 87,404,463.59, 120,618,141.53 and 48,246,230.12 is: 66,579,787.50
Step by Step Solution
- Step 1: Write the proportion equation
87,404,463.59 : 120,618,141.53 = 48,246,230.12 : x - Step 2: Convert to fraction form
87,404,463.59/120,618,141.53 = 48,246,230.12/x - Step 3: Cross multiply
87,404,463.59x = 120,618,141.53 × 48,246,230.12 - Step 4: Simplify right side
87,404,463.59x = 5,819,370,612,058,788 - Step 5: Solve for x
x = 5,819,370,612,058,788/87,404,463.59 - Step 6: Final answer
x = 66,579,787.50
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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.