Finding the Fourth Proportional to 104,976,228.90, 157,464,343.35 and 53,320,163.70
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Solution
The fourth proportional to 104,976,228.90, 157,464,343.35 and 53,320,163.70 is: 79,980,245.55
Step by Step Solution
- Step 1: Write the proportion equation
104,976,228.90 : 157,464,343.35 = 53,320,163.70 : x - Step 2: Convert to fraction form
104,976,228.90/157,464,343.35 = 53,320,163.70/x - Step 3: Cross multiply
104,976,228.90x = 157,464,343.35 × 53,320,163.70 - Step 4: Simplify right side
104,976,228.90x = 8,396,024,564,335,007 - Step 5: Solve for x
x = 8,396,024,564,335,007/104,976,228.90 - Step 6: Final answer
x = 79,980,245.55
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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.