Finding the Fourth Proportional to 163,963,251.15, 245,957,591.70 and 54,788,812.58
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Solution
The fourth proportional to 163,963,251.15, 245,957,591.70 and 54,788,812.58 is: 82,187,467.61
Step by Step Solution
- Step 1: Write the proportion equation
163,963,251.15 : 245,957,591.70 = 54,788,812.58 : x - Step 2: Convert to fraction form
163,963,251.15/245,957,591.70 = 54,788,812.58/x - Step 3: Cross multiply
163,963,251.15x = 245,957,591.70 × 54,788,812.58 - Step 4: Simplify right side
163,963,251.15x = 13,475,724,393,049,676 - Step 5: Solve for x
x = 13,475,724,393,049,676/163,963,251.15 - Step 6: Final answer
x = 82,187,467.61
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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.