Finding the Fourth Proportional to 53,892,603.75, 74,371,793.18 and 29,446,317.75
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Solution
The fourth proportional to 53,892,603.75, 74,371,793.18 and 29,446,317.75 is: 40,635,918.50
Step by Step Solution
- Step 1: Write the proportion equation
53,892,603.75 : 74,371,793.18 = 29,446,317.75 : x - Step 2: Convert to fraction form
53,892,603.75/74,371,793.18 = 29,446,317.75/x - Step 3: Cross multiply
53,892,603.75x = 74,371,793.18 × 29,446,317.75 - Step 4: Simplify right side
53,892,603.75x = 2,189,975,453,468,331.25 - Step 5: Solve for x
x = 2,189,975,453,468,331.25/53,892,603.75 - Step 6: Final answer
x = 40,635,918.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.