Finding the Fourth Proportional to 71,757,548.01, 107,678,097.09 and 30,255,821.75
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Solution
The fourth proportional to 71,757,548.01, 107,678,097.09 and 30,255,821.75 is: 45,401,346.65
Step by Step Solution
- Step 1: Write the proportion equation
71,757,548.01 : 107,678,097.09 = 30,255,821.75 : x - Step 2: Convert to fraction form
71,757,548.01/107,678,097.09 = 30,255,821.75/x - Step 3: Cross multiply
71,757,548.01x = 107,678,097.09 × 30,255,821.75 - Step 4: Simplify right side
71,757,548.01x = 3,257,889,312,203,429 - Step 5: Solve for x
x = 3,257,889,312,203,429/71,757,548.01 - Step 6: Final answer
x = 45,401,346.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.