Finding the Fourth Proportional to 76,661,628.81, 114,809,123.05 and 44,215,162.65
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Solution
The fourth proportional to 76,661,628.81, 114,809,123.05 and 44,215,162.65 is: 66,217,012.71
Step by Step Solution
- Step 1: Write the proportion equation
76,661,628.81 : 114,809,123.05 = 44,215,162.65 : x - Step 2: Convert to fraction form
76,661,628.81/114,809,123.05 = 44,215,162.65/x - Step 3: Cross multiply
76,661,628.81x = 114,809,123.05 × 44,215,162.65 - Step 4: Simplify right side
76,661,628.81x = 5,076,304,049,359,614 - Step 5: Solve for x
x = 5,076,304,049,359,614/76,661,628.81 - Step 6: Final answer
x = 66,217,012.71
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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.