Finding the Fourth Proportional to 84,508,473.96, 126,809,811 and 45,646,141.68
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Solution
The fourth proportional to 84,508,473.96, 126,809,811 and 45,646,141.68 is: 68,494,653.00
Step by Step Solution
- Step 1: Write the proportion equation
84,508,473.96 : 126,809,811 = 45,646,141.68 : x - Step 2: Convert to fraction form
84,508,473.96/126,809,811 = 45,646,141.68/x - Step 3: Cross multiply
84,508,473.96x = 126,809,811 × 45,646,141.68 - Step 4: Simplify right side
84,508,473.96x = 5,788,378,599,320,022 - Step 5: Solve for x
x = 5,788,378,599,320,022/84,508,473.96 - Step 6: Final answer
x = 68,494,653.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.