Finding the Fourth Proportional to 101,232,354.98, 139,699,954.36 and 54,821,546.84
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Solution
The fourth proportional to 101,232,354.98, 139,699,954.36 and 54,821,546.84 is: 75,653,357.99
Step by Step Solution
- Step 1: Write the proportion equation
101,232,354.98 : 139,699,954.36 = 54,821,546.84 : x - Step 2: Convert to fraction form
101,232,354.98/139,699,954.36 = 54,821,546.84/x - Step 3: Cross multiply
101,232,354.98x = 139,699,954.36 × 54,821,546.84 - Step 4: Simplify right side
101,232,354.98x = 7,658,567,591,492,604 - Step 5: Solve for x
x = 7,658,567,591,492,604/101,232,354.98 - Step 6: Final answer
x = 75,653,357.99
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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.