Finding the Fourth Proportional to 85,633,198.63, 118,174,697.22 and 46,475,313.55
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Solution
The fourth proportional to 85,633,198.63, 118,174,697.22 and 46,475,313.55 is: 64,136,411.99
Step by Step Solution
- Step 1: Write the proportion equation
85,633,198.63 : 118,174,697.22 = 46,475,313.55 : x - Step 2: Convert to fraction form
85,633,198.63/118,174,697.22 = 46,475,313.55/x - Step 3: Cross multiply
85,633,198.63x = 118,174,697.22 × 46,475,313.55 - Step 4: Simplify right side
85,633,198.63x = 5,492,206,106,975,813 - Step 5: Solve for x
x = 5,492,206,106,975,813/85,633,198.63 - Step 6: Final answer
x = 64,136,411.99
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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.