Finding the Fourth Proportional to 55,252,893.30, 82,719,907.65 and 48,875,601.30
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Solution
The fourth proportional to 55,252,893.30, 82,719,907.65 and 48,875,601.30 is: 73,172,371.33
Step by Step Solution
- Step 1: Write the proportion equation
55,252,893.30 : 82,719,907.65 = 48,875,601.30 : x - Step 2: Convert to fraction form
55,252,893.30/82,719,907.65 = 48,875,601.30/x - Step 3: Cross multiply
55,252,893.30x = 82,719,907.65 × 48,875,601.30 - Step 4: Simplify right side
55,252,893.30x = 4,042,985,225,874,220 - Step 5: Solve for x
x = 4,042,985,225,874,220/55,252,893.30 - Step 6: Final answer
x = 73,172,371.33
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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.