Finding the Fourth Proportional to 64,784,108.61, 88,926,188.99 and 57,277,504.49
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Solution
The fourth proportional to 64,784,108.61, 88,926,188.99 and 57,277,504.49 is: 78,622,216.12
Step by Step Solution
- Step 1: Write the proportion equation
64,784,108.61 : 88,926,188.99 = 57,277,504.49 : x - Step 2: Convert to fraction form
64,784,108.61/88,926,188.99 = 57,277,504.49/x - Step 3: Cross multiply
64,784,108.61x = 88,926,188.99 × 57,277,504.49 - Step 4: Simplify right side
64,784,108.61x = 5,093,470,188,422,295 - Step 5: Solve for x
x = 5,093,470,188,422,295/64,784,108.61 - Step 6: Final answer
x = 78,622,216.12
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.