Finding the Fourth Proportional to 75,628,233.20, 113,442,349.80 and 73,948,617.20
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Solution
The fourth proportional to 75,628,233.20, 113,442,349.80 and 73,948,617.20 is: 110,922,925.80
Step by Step Solution
- Step 1: Write the proportion equation
75,628,233.20 : 113,442,349.80 = 73,948,617.20 : x - Step 2: Convert to fraction form
75,628,233.20/113,442,349.80 = 73,948,617.20/x - Step 3: Cross multiply
75,628,233.20x = 113,442,349.80 × 73,948,617.20 - Step 4: Simplify right side
75,628,233.20x = 8,388,904,899,628,697 - Step 5: Solve for x
x = 8,388,904,899,628,697/75,628,233.20 - Step 6: Final answer
x = 110,922,925.80
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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.