Finding the Fourth Proportional to 276,599,949.08, 381,729,688.92 and 157,527,576.40
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Solution
The fourth proportional to 276,599,949.08, 381,729,688.92 and 157,527,576.40 is: 217,400,447.60
Step by Step Solution
- Step 1: Write the proportion equation
276,599,949.08 : 381,729,688.92 = 157,527,576.40 : x - Step 2: Convert to fraction form
276,599,949.08/381,729,688.92 = 157,527,576.40/x - Step 3: Cross multiply
276,599,949.08x = 381,729,688.92 × 157,527,576.40 - Step 4: Simplify right side
276,599,949.08x = 60,132,952,735,493,536 - Step 5: Solve for x
x = 60,132,952,735,493,536/276,599,949.08 - Step 6: Final answer
x = 217,400,447.60
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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.