Finding the Fourth Proportional to 159,334,660.91, 219,876,675.48 and 91,450,952.44
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Solution
The fourth proportional to 159,334,660.91, 219,876,675.48 and 91,450,952.44 is: 126,199,354.72
Step by Step Solution
- Step 1: Write the proportion equation
159,334,660.91 : 219,876,675.48 = 91,450,952.44 : x - Step 2: Convert to fraction form
159,334,660.91/219,876,675.48 = 91,450,952.44/x - Step 3: Cross multiply
159,334,660.91x = 219,876,675.48 × 91,450,952.44 - Step 4: Simplify right side
159,334,660.91x = 20,107,931,391,437,100 - Step 5: Solve for x
x = 20,107,931,391,437,100/159,334,660.91 - Step 6: Final answer
x = 126,199,354.72
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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.