Finding the Fourth Proportional to 236,188,625.60, 354,432,237.60 and 139,144,145.60
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Solution
The fourth proportional to 236,188,625.60, 354,432,237.60 and 139,144,145.60 is: 208,804,173.99
Step by Step Solution
- Step 1: Write the proportion equation
236,188,625.60 : 354,432,237.60 = 139,144,145.60 : x - Step 2: Convert to fraction form
236,188,625.60/354,432,237.60 = 139,144,145.60/x - Step 3: Cross multiply
236,188,625.60x = 354,432,237.60 × 139,144,145.60 - Step 4: Simplify right side
236,188,625.60x = 49,317,170,873,948,192 - Step 5: Solve for x
x = 49,317,170,873,948,192/236,188,625.60 - Step 6: Final answer
x = 208,804,173.99
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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.