Finding the Fourth Proportional to 49,796,312.33, 68,718,777.74 and 27,769,837.05
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Solution
The fourth proportional to 49,796,312.33, 68,718,777.74 and 27,769,837.05 is: 38,322,300.81
Step by Step Solution
- Step 1: Write the proportion equation
49,796,312.33 : 68,718,777.74 = 27,769,837.05 : x - Step 2: Convert to fraction form
49,796,312.33/68,718,777.74 = 27,769,837.05/x - Step 3: Cross multiply
49,796,312.33x = 68,718,777.74 × 27,769,837.05 - Step 4: Simplify right side
49,796,312.33x = 1,908,309,260,339,679.25 - Step 5: Solve for x
x = 1,908,309,260,339,679.25/49,796,312.33 - Step 6: Final answer
x = 38,322,300.81
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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.