Finding the Fourth Proportional to 84,422,322.28, 116,575,513.41 and 53,112,558.79
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Solution
The fourth proportional to 84,422,322.28, 116,575,513.41 and 53,112,558.79 is: 73,341,074.28
Step by Step Solution
- Step 1: Write the proportion equation
84,422,322.28 : 116,575,513.41 = 53,112,558.79 : x - Step 2: Convert to fraction form
84,422,322.28/116,575,513.41 = 53,112,558.79/x - Step 3: Cross multiply
84,422,322.28x = 116,575,513.41 × 53,112,558.79 - Step 4: Simplify right side
84,422,322.28x = 6,191,623,809,463,058 - Step 5: Solve for x
x = 6,191,623,809,463,058/84,422,322.28 - Step 6: Final answer
x = 73,341,074.28
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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.