Finding the Fourth Proportional to 305,698,882.56, 458,619,163.20 and 87,352,068.48
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Solution
The fourth proportional to 305,698,882.56, 458,619,163.20 and 87,352,068.48 is: 131,048,344.75
Step by Step Solution
- Step 1: Write the proportion equation
305,698,882.56 : 458,619,163.20 = 87,352,068.48 : x - Step 2: Convert to fraction form
305,698,882.56/458,619,163.20 = 87,352,068.48/x - Step 3: Cross multiply
305,698,882.56x = 458,619,163.20 × 87,352,068.48 - Step 4: Simplify right side
305,698,882.56x = 40,061,332,550,086,696 - Step 5: Solve for x
x = 40,061,332,550,086,696/305,698,882.56 - Step 6: Final answer
x = 131,048,344.75
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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.