Finding the Fourth Proportional to 73,352,121.72, 101,228,354.91 and 40,313,541.93
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Solution
The fourth proportional to 73,352,121.72, 101,228,354.91 and 40,313,541.93 is: 55,634,021.68
Step by Step Solution
- Step 1: Write the proportion equation
73,352,121.72 : 101,228,354.91 = 40,313,541.93 : x - Step 2: Convert to fraction form
73,352,121.72/101,228,354.91 = 40,313,541.93/x - Step 3: Cross multiply
73,352,121.72x = 101,228,354.91 × 40,313,541.93 - Step 4: Simplify right side
73,352,121.72x = 4,080,873,530,169,206 - Step 5: Solve for x
x = 4,080,873,530,169,206/73,352,121.72 - Step 6: Final answer
x = 55,634,021.68
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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.