Finding the Fourth Proportional to 69,735,148.56, 96,235,375.66 and 38,376,805.32
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Solution
The fourth proportional to 69,735,148.56, 96,235,375.66 and 38,376,805.32 is: 52,960,470.48
Step by Step Solution
- Step 1: Write the proportion equation
69,735,148.56 : 96,235,375.66 = 38,376,805.32 : x - Step 2: Convert to fraction form
69,735,148.56/96,235,375.66 = 38,376,805.32/x - Step 3: Cross multiply
69,735,148.56x = 96,235,375.66 × 38,376,805.32 - Step 4: Simplify right side
69,735,148.56x = 3,693,206,276,504,944.50 - Step 5: Solve for x
x = 3,693,206,276,504,944.50/69,735,148.56 - Step 6: Final answer
x = 52,960,470.48
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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.