Finding the Fourth Proportional to 139,833,261,751.96, 192,984,855,640.94 and 85,675,751,597.08
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Solution
The fourth proportional to 139,833,261,751.96, 192,984,855,640.94 and 85,675,751,597.08 is: 118,241,699,769.69
Step by Step Solution
- Step 1: Write the proportion equation
139,833,261,751.96 : 192,984,855,640.94 = 85,675,751,597.08 : x - Step 2: Convert to fraction form
139,833,261,751.96/192,984,855,640.94 = 85,675,751,597.08/x - Step 3: Cross multiply
139,833,261,751.96x = 192,984,855,640.94 × 85,675,751,597.08 - Step 4: Simplify right side
139,833,261,751.96x = 16,534,122,553,891,518,152,704 - Step 5: Solve for x
x = 16,534,122,553,891,518,152,704/139,833,261,751.96 - Step 6: Final answer
x = 118,241,699,769.69
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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.