Finding the Fourth Proportional to 276,599,941.08, 381,729,677.88 and 157,527,568.40
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Solution
The fourth proportional to 276,599,941.08, 381,729,677.88 and 157,527,568.40 is: 217,400,436.56
Step by Step Solution
- Step 1: Write the proportion equation
276,599,941.08 : 381,729,677.88 = 157,527,568.40 : x - Step 2: Convert to fraction form
276,599,941.08/381,729,677.88 = 157,527,568.40/x - Step 3: Cross multiply
276,599,941.08x = 381,729,677.88 × 157,527,568.40 - Step 4: Simplify right side
276,599,941.08x = 60,132,947,942,551,672 - Step 5: Solve for x
x = 60,132,947,942,551,672/276,599,941.08 - Step 6: Final answer
x = 217,400,436.56
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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.