Finding the Fourth Proportional to 267,487,940.70, 401,358,706.49 and 129,236,049.54
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Solution
The fourth proportional to 267,487,940.70, 401,358,706.49 and 129,236,049.54 is: 193,915,335.17
Step by Step Solution
- Step 1: Write the proportion equation
267,487,940.70 : 401,358,706.49 = 129,236,049.54 : x - Step 2: Convert to fraction form
267,487,940.70/401,358,706.49 = 129,236,049.54/x - Step 3: Cross multiply
267,487,940.70x = 401,358,706.49 × 129,236,049.54 - Step 4: Simplify right side
267,487,940.70x = 51,870,013,674,605,784 - Step 5: Solve for x
x = 51,870,013,674,605,784/267,487,940.70 - Step 6: Final answer
x = 193,915,335.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.