Finding the Fourth Proportional to 54,090,880.92, 80,744,655.06 and 47,545,873.70
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Solution
The fourth proportional to 54,090,880.92, 80,744,655.06 and 47,545,873.70 is: 70,974,535.92
Step by Step Solution
- Step 1: Write the proportion equation
54,090,880.92 : 80,744,655.06 = 47,545,873.70 : x - Step 2: Convert to fraction form
54,090,880.92/80,744,655.06 = 47,545,873.70/x - Step 3: Cross multiply
54,090,880.92x = 80,744,655.06 × 47,545,873.70 - Step 4: Simplify right side
54,090,880.92x = 3,839,075,171,029,103 - Step 5: Solve for x
x = 3,839,075,171,029,103/54,090,880.92 - Step 6: Final answer
x = 70,974,535.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.