Finding the Fourth Proportional to 135,759,822.14, 187,348,705.43 and 76,212,842.24
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Solution
The fourth proportional to 135,759,822.14, 187,348,705.43 and 76,212,842.24 is: 105,173,806.98
Step by Step Solution
- Step 1: Write the proportion equation
135,759,822.14 : 187,348,705.43 = 76,212,842.24 : x - Step 2: Convert to fraction form
135,759,822.14/187,348,705.43 = 76,212,842.24/x - Step 3: Cross multiply
135,759,822.14x = 187,348,705.43 × 76,212,842.24 - Step 4: Simplify right side
135,759,822.14x = 14,278,377,329,487,014 - Step 5: Solve for x
x = 14,278,377,329,487,014/135,759,822.14 - Step 6: Final answer
x = 105,173,806.98
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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.