Finding the Fourth Proportional to 276,102,121.44, 381,028,901.04 and 152,350,770.72
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Solution
The fourth proportional to 276,102,121.44, 381,028,901.04 and 152,350,770.72 is: 210,248,463.28
Step by Step Solution
- Step 1: Write the proportion equation
276,102,121.44 : 381,028,901.04 = 152,350,770.72 : x - Step 2: Convert to fraction form
276,102,121.44/381,028,901.04 = 152,350,770.72/x - Step 3: Cross multiply
276,102,121.44x = 381,028,901.04 × 152,350,770.72 - Step 4: Simplify right side
276,102,121.44x = 58,050,046,740,038,616 - Step 5: Solve for x
x = 58,050,046,740,038,616/276,102,121.44 - Step 6: Final answer
x = 210,248,463.28
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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.