Finding the Fourth Proportional to 69,450,553.68, 95,834,858.61 and 40,091,344.80
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Solution
The fourth proportional to 69,450,553.68, 95,834,858.61 and 40,091,344.80 is: 55,322,069.54
Step by Step Solution
- Step 1: Write the proportion equation
69,450,553.68 : 95,834,858.61 = 40,091,344.80 : x - Step 2: Convert to fraction form
69,450,553.68/95,834,858.61 = 40,091,344.80/x - Step 3: Cross multiply
69,450,553.68x = 95,834,858.61 × 40,091,344.80 - Step 4: Simplify right side
69,450,553.68x = 3,842,148,360,392,758.50 - Step 5: Solve for x
x = 3,842,148,360,392,758.50/69,450,553.68 - Step 6: Final answer
x = 55,322,069.54
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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.