Finding the Fourth Proportional to 122,050,312.30, 183,075,468.45 and 73,582,893.10
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Solution
The fourth proportional to 122,050,312.30, 183,075,468.45 and 73,582,893.10 is: 110,374,339.65
Step by Step Solution
- Step 1: Write the proportion equation
122,050,312.30 : 183,075,468.45 = 73,582,893.10 : x - Step 2: Convert to fraction form
122,050,312.30/183,075,468.45 = 73,582,893.10/x - Step 3: Cross multiply
122,050,312.30x = 183,075,468.45 × 73,582,893.10 - Step 4: Simplify right side
122,050,312.30x = 13,471,222,624,188,770 - Step 5: Solve for x
x = 13,471,222,624,188,770/122,050,312.30 - Step 6: Final answer
x = 110,374,339.65
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Double scale
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Similar ratio
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1.5x scale
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.