Finding the Fourth Proportional to 303,697,261.91, 419,100,134.74 and 164,464,837.49
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Solution
The fourth proportional to 303,697,261.91, 419,100,134.74 and 164,464,837.49 is: 226,960,345.70
Step by Step Solution
- Step 1: Write the proportion equation
303,697,261.91 : 419,100,134.74 = 164,464,837.49 : x - Step 2: Convert to fraction form
303,697,261.91/419,100,134.74 = 164,464,837.49/x - Step 3: Cross multiply
303,697,261.91x = 419,100,134.74 × 164,464,837.49 - Step 4: Simplify right side
303,697,261.91x = 68,927,235,552,687,800 - Step 5: Solve for x
x = 68,927,235,552,687,800/303,697,261.91 - Step 6: Final answer
x = 226,960,345.70
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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.