Finding the Fourth Proportional to 75,903,490.91, 113,855,233.94 and 18,395,762.15
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Solution
The fourth proportional to 75,903,490.91, 113,855,233.94 and 18,395,762.15 is: 27,593,642.63
Step by Step Solution
- Step 1: Write the proportion equation
75,903,490.91 : 113,855,233.94 = 18,395,762.15 : x - Step 2: Convert to fraction form
75,903,490.91/113,855,233.94 = 18,395,762.15/x - Step 3: Cross multiply
75,903,490.91x = 113,855,233.94 × 18,395,762.15 - Step 4: Simplify right side
75,903,490.91x = 2,094,453,802,431,592.50 - Step 5: Solve for x
x = 2,094,453,802,431,592.50/75,903,490.91 - Step 6: Final answer
x = 27,593,642.63
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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.