Finding the Fourth Proportional to 91,744,657.19, 126,579,126.92 and 52,045,653.63
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Solution
The fourth proportional to 91,744,657.19, 126,579,126.92 and 52,045,653.63 is: 71,806,834.30
Step by Step Solution
- Step 1: Write the proportion equation
91,744,657.19 : 126,579,126.92 = 52,045,653.63 : x - Step 2: Convert to fraction form
91,744,657.19/126,579,126.92 = 52,045,653.63/x - Step 3: Cross multiply
91,744,657.19x = 126,579,126.92 × 52,045,653.63 - Step 4: Simplify right side
91,744,657.19x = 6,587,893,396,973,589 - Step 5: Solve for x
x = 6,587,893,396,973,589/91,744,657.19 - Step 6: Final answer
x = 71,806,834.30
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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.