Finding the Fourth Proportional to 83,623,795.44, 115,404,110.05 and 57,217,532.44
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Solution
The fourth proportional to 83,623,795.44, 115,404,110.05 and 57,217,532.44 is: 78,962,433.79
Step by Step Solution
- Step 1: Write the proportion equation
83,623,795.44 : 115,404,110.05 = 57,217,532.44 : x - Step 2: Convert to fraction form
83,623,795.44/115,404,110.05 = 57,217,532.44/x - Step 3: Cross multiply
83,623,795.44x = 115,404,110.05 × 57,217,532.44 - Step 4: Simplify right side
83,623,795.44x = 6,603,138,410,387,031 - Step 5: Solve for x
x = 6,603,138,410,387,031/83,623,795.44 - Step 6: Final answer
x = 78,962,433.79
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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.