Finding the Fourth Proportional to 206,896,243.30, 310,344,364.95 and 169,907,949.70
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Solution
The fourth proportional to 206,896,243.30, 310,344,364.95 and 169,907,949.70 is: 254,861,924.55
Step by Step Solution
- Step 1: Write the proportion equation
206,896,243.30 : 310,344,364.95 = 169,907,949.70 : x - Step 2: Convert to fraction form
206,896,243.30/310,344,364.95 = 169,907,949.70/x - Step 3: Cross multiply
206,896,243.30x = 310,344,364.95 × 169,907,949.70 - Step 4: Simplify right side
206,896,243.30x = 52,729,974,749,603,040 - Step 5: Solve for x
x = 52,729,974,749,603,040/206,896,243.30 - Step 6: Final answer
x = 254,861,924.55
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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.