Finding the Fourth Proportional to 51,775,439.53, 77,642,975.97 and 19,409,682.10
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Solution
The fourth proportional to 51,775,439.53, 77,642,975.97 and 19,409,682.10 is: 29,106,956.78
Step by Step Solution
- Step 1: Write the proportion equation
51,775,439.53 : 77,642,975.97 = 19,409,682.10 : x - Step 2: Convert to fraction form
51,775,439.53/77,642,975.97 = 19,409,682.10/x - Step 3: Cross multiply
51,775,439.53x = 77,642,975.97 × 19,409,682.10 - Step 4: Simplify right side
51,775,439.53x = 1,507,025,480,875,639.25 - Step 5: Solve for x
x = 1,507,025,480,875,639.25/51,775,439.53 - Step 6: Final answer
x = 29,106,956.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.