Finding the Fourth Proportional to 101,624,755.13, 140,243,437.56 and 55,215,784.07
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Solution
The fourth proportional to 101,624,755.13, 140,243,437.56 and 55,215,784.07 is: 76,198,475.02
Step by Step Solution
- Step 1: Write the proportion equation
101,624,755.13 : 140,243,437.56 = 55,215,784.07 : x - Step 2: Convert to fraction form
101,624,755.13/140,243,437.56 = 55,215,784.07/x - Step 3: Cross multiply
101,624,755.13x = 140,243,437.56 × 55,215,784.07 - Step 4: Simplify right side
101,624,755.13x = 7,743,651,365,271,409 - Step 5: Solve for x
x = 7,743,651,365,271,409/101,624,755.13 - Step 6: Final answer
x = 76,198,475.02
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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.