Finding the Fourth Proportional to 276,256,176.75, 381,220,120.04 and 157,167,553.23
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Solution
The fourth proportional to 276,256,176.75, 381,220,120.04 and 157,167,553.23 is: 216,883,597.73
Step by Step Solution
- Step 1: Write the proportion equation
276,256,176.75 : 381,220,120.04 = 157,167,553.23 : x - Step 2: Convert to fraction form
276,256,176.75/381,220,120.04 = 157,167,553.23/x - Step 3: Cross multiply
276,256,176.75x = 381,220,120.04 × 157,167,553.23 - Step 4: Simplify right side
276,256,176.75x = 59,915,433,507,947,848 - Step 5: Solve for x
x = 59,915,433,507,947,848/276,256,176.75 - Step 6: Final answer
x = 216,883,597.73
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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.