Finding the Fourth Proportional to 69,694,341.24, 96,178,270.06 and 38,753,846.22
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Solution
The fourth proportional to 69,694,341.24, 96,178,270.06 and 38,753,846.22 is: 53,480,351.79
Step by Step Solution
- Step 1: Write the proportion equation
69,694,341.24 : 96,178,270.06 = 38,753,846.22 : x - Step 2: Convert to fraction form
69,694,341.24/96,178,270.06 = 38,753,846.22/x - Step 3: Cross multiply
69,694,341.24x = 96,178,270.06 × 38,753,846.22 - Step 4: Simplify right side
69,694,341.24x = 3,727,277,887,610,870 - Step 5: Solve for x
x = 3,727,277,887,610,870/69,694,341.24 - Step 6: Final answer
x = 53,480,351.79
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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.