Finding the Fourth Proportional to 267,487,941.70, 401,358,707.99 and 129,236,050.54
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Solution
The fourth proportional to 267,487,941.70, 401,358,707.99 and 129,236,050.54 is: 193,915,336.67
Step by Step Solution
- Step 1: Write the proportion equation
267,487,941.70 : 401,358,707.99 = 129,236,050.54 : x - Step 2: Convert to fraction form
267,487,941.70/401,358,707.99 = 129,236,050.54/x - Step 3: Cross multiply
267,487,941.70x = 401,358,707.99 × 129,236,050.54 - Step 4: Simplify right side
267,487,941.70x = 51,870,014,270,464,744 - Step 5: Solve for x
x = 51,870,014,270,464,744/267,487,941.70 - Step 6: Final answer
x = 193,915,336.67
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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.