Finding the Fourth Proportional to 42,753,553.54, 64,107,260.36 and 19,397,548.99
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Solution
The fourth proportional to 42,753,553.54, 64,107,260.36 and 19,397,548.99 is: 29,085,856.50
Step by Step Solution
- Step 1: Write the proportion equation
42,753,553.54 : 64,107,260.36 = 19,397,548.99 : x - Step 2: Convert to fraction form
42,753,553.54/64,107,260.36 = 19,397,548.99/x - Step 3: Cross multiply
42,753,553.54x = 64,107,260.36 × 19,397,548.99 - Step 4: Simplify right side
42,753,553.54x = 1,243,523,723,190,529 - Step 5: Solve for x
x = 1,243,523,723,190,529/42,753,553.54 - Step 6: Final answer
x = 29,085,856.50
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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.