Finding the Fourth Proportional to 276,914,783.70, 415,372,175.55 and 133,587,551.70
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Solution
The fourth proportional to 276,914,783.70, 415,372,175.55 and 133,587,551.70 is: 200,381,327.55
Step by Step Solution
- Step 1: Write the proportion equation
276,914,783.70 : 415,372,175.55 = 133,587,551.70 : x - Step 2: Convert to fraction form
276,914,783.70/415,372,175.55 = 133,587,551.70/x - Step 3: Cross multiply
276,914,783.70x = 415,372,175.55 × 133,587,551.70 - Step 4: Simplify right side
276,914,783.70x = 55,488,551,976,027,104 - Step 5: Solve for x
x = 55,488,551,976,027,104/276,914,783.70 - Step 6: Final answer
x = 200,381,327.55
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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.