Finding the Fourth Proportional to 50,712,902.97, 69,983,734.36 and 27,508,001.91
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Solution
The fourth proportional to 50,712,902.97, 69,983,734.36 and 27,508,001.91 is: 37,961,003.72
Step by Step Solution
- Step 1: Write the proportion equation
50,712,902.97 : 69,983,734.36 = 27,508,001.91 : x - Step 2: Convert to fraction form
50,712,902.97/69,983,734.36 = 27,508,001.91/x - Step 3: Cross multiply
50,712,902.97x = 69,983,734.36 × 27,508,001.91 - Step 4: Simplify right side
50,712,902.97x = 1,925,112,698,443,812.50 - Step 5: Solve for x
x = 1,925,112,698,443,812.50/50,712,902.97 - Step 6: Final answer
x = 37,961,003.72
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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.