Finding the Fourth Proportional to 51,980,709.15, 71,710,861.28 and 31,342,689.99
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Solution
The fourth proportional to 51,980,709.15, 71,710,861.28 and 31,342,689.99 is: 43,239,334.95
Step by Step Solution
- Step 1: Write the proportion equation
51,980,709.15 : 71,710,861.28 = 31,342,689.99 : x - Step 2: Convert to fraction form
51,980,709.15/71,710,861.28 = 31,342,689.99/x - Step 3: Cross multiply
51,980,709.15x = 71,710,861.28 × 31,342,689.99 - Step 4: Simplify right side
51,980,709.15x = 2,247,611,293,858,221.25 - Step 5: Solve for x
x = 2,247,611,293,858,221.25/51,980,709.15 - Step 6: Final answer
x = 43,239,334.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.