Finding the Fourth Proportional to 116,883,535.24, 161,364,147.06 and 70,485,542.92
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Solution
The fourth proportional to 116,883,535.24, 161,364,147.06 and 70,485,542.92 is: 97,309,167.54
Step by Step Solution
- Step 1: Write the proportion equation
116,883,535.24 : 161,364,147.06 = 70,485,542.92 : x - Step 2: Convert to fraction form
116,883,535.24/161,364,147.06 = 70,485,542.92/x - Step 3: Cross multiply
116,883,535.24x = 161,364,147.06 × 70,485,542.92 - Step 4: Simplify right side
116,883,535.24x = 11,373,839,513,346,822 - Step 5: Solve for x
x = 11,373,839,513,346,822/116,883,535.24 - Step 6: Final answer
x = 97,309,167.54
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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.