Finding the Fourth Proportional to 69,450,304.40, 95,836,748.52 and 38,509,328.24
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Solution
The fourth proportional to 69,450,304.40, 95,836,748.52 and 38,509,328.24 is: 53,140,282.65
Step by Step Solution
- Step 1: Write the proportion equation
69,450,304.40 : 95,836,748.52 = 38,509,328.24 : x - Step 2: Convert to fraction form
69,450,304.40/95,836,748.52 = 38,509,328.24/x - Step 3: Cross multiply
69,450,304.40x = 95,836,748.52 × 38,509,328.24 - Step 4: Simplify right side
69,450,304.40x = 3,690,608,806,211,014 - Step 5: Solve for x
x = 3,690,608,806,211,014/69,450,304.40 - Step 6: Final answer
x = 53,140,282.65
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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.