Finding the Fourth Proportional to 71,358,344.30, 107,037,516.45 and 49,834,983.80
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Solution
The fourth proportional to 71,358,344.30, 107,037,516.45 and 49,834,983.80 is: 74,752,475.70
Step by Step Solution
- Step 1: Write the proportion equation
71,358,344.30 : 107,037,516.45 = 49,834,983.80 : x - Step 2: Convert to fraction form
71,358,344.30/107,037,516.45 = 49,834,983.80/x - Step 3: Cross multiply
71,358,344.30x = 107,037,516.45 × 49,834,983.80 - Step 4: Simplify right side
71,358,344.30x = 5,334,212,898,277,983 - Step 5: Solve for x
x = 5,334,212,898,277,983/71,358,344.30 - Step 6: Final answer
x = 74,752,475.70
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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.