Finding the Fourth Proportional to 46,170,852.80, 69,256,279.20 and 12,095,643.20
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Solution
The fourth proportional to 46,170,852.80, 69,256,279.20 and 12,095,643.20 is: 18,143,464.80
Step by Step Solution
- Step 1: Write the proportion equation
46,170,852.80 : 69,256,279.20 = 12,095,643.20 : x - Step 2: Convert to fraction form
46,170,852.80/69,256,279.20 = 12,095,643.20/x - Step 3: Cross multiply
46,170,852.80x = 69,256,279.20 × 12,095,643.20 - Step 4: Simplify right side
46,170,852.80x = 837,699,242,562,781.38 - Step 5: Solve for x
x = 837,699,242,562,781.38/46,170,852.80 - Step 6: Final answer
x = 18,143,464.80
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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.