Finding the Fourth Proportional to 53,282,312.76, 73,529,562.06 and 30,077,640.12
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Solution
The fourth proportional to 53,282,312.76, 73,529,562.06 and 30,077,640.12 is: 41,507,126.69
Step by Step Solution
- Step 1: Write the proportion equation
53,282,312.76 : 73,529,562.06 = 30,077,640.12 : x - Step 2: Convert to fraction form
53,282,312.76/73,529,562.06 = 30,077,640.12/x - Step 3: Cross multiply
53,282,312.76x = 73,529,562.06 × 30,077,640.12 - Step 4: Simplify right side
53,282,312.76x = 2,211,595,705,821,886 - Step 5: Solve for x
x = 2,211,595,705,821,886/53,282,312.76 - Step 6: Final answer
x = 41,507,126.69
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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.