Finding the Fourth Proportional to 276,574,563.40, 381,672,113.94 and 152,814,358.84
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Solution
The fourth proportional to 276,574,563.40, 381,672,113.94 and 152,814,358.84 is: 210,883,382.27
Step by Step Solution
- Step 1: Write the proportion equation
276,574,563.40 : 381,672,113.94 = 152,814,358.84 : x - Step 2: Convert to fraction form
276,574,563.40/381,672,113.94 = 152,814,358.84/x - Step 3: Cross multiply
276,574,563.40x = 381,672,113.94 × 152,814,358.84 - Step 4: Simplify right side
276,574,563.40x = 58,324,979,378,848,528 - Step 5: Solve for x
x = 58,324,979,378,848,528/276,574,563.40 - Step 6: Final answer
x = 210,883,382.27
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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.