Finding the Fourth Proportional to 191,577,305.70, 287,365,958.55 and 84,081,881.70
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Solution
The fourth proportional to 191,577,305.70, 287,365,958.55 and 84,081,881.70 is: 126,122,822.55
Step by Step Solution
- Step 1: Write the proportion equation
191,577,305.70 : 287,365,958.55 = 84,081,881.70 : x - Step 2: Convert to fraction form
191,577,305.70/287,365,958.55 = 84,081,881.70/x - Step 3: Cross multiply
191,577,305.70x = 287,365,958.55 × 84,081,881.70 - Step 4: Simplify right side
191,577,305.70x = 24,162,270,531,408,204 - Step 5: Solve for x
x = 24,162,270,531,408,204/191,577,305.70 - Step 6: Final answer
x = 126,122,822.55
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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.