Finding the Fourth Proportional to 193,225,573.80, 289,838,360.70 and 154,961,821.80
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Solution
The fourth proportional to 193,225,573.80, 289,838,360.70 and 154,961,821.80 is: 232,442,732.70
Step by Step Solution
- Step 1: Write the proportion equation
193,225,573.80 : 289,838,360.70 = 154,961,821.80 : x - Step 2: Convert to fraction form
193,225,573.80/289,838,360.70 = 154,961,821.80/x - Step 3: Cross multiply
193,225,573.80x = 289,838,360.70 × 154,961,821.80 - Step 4: Simplify right side
193,225,573.80x = 44,913,880,401,597,528 - Step 5: Solve for x
x = 44,913,880,401,597,528/193,225,573.80 - Step 6: Final answer
x = 232,442,732.70
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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.