Finding the Fourth Proportional to 149,815,527.73, 206,737,088.70 and 82,830,613.23
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Solution
The fourth proportional to 149,815,527.73, 206,737,088.70 and 82,830,613.23 is: 114,301,635.45
Step by Step Solution
- Step 1: Write the proportion equation
149,815,527.73 : 206,737,088.70 = 82,830,613.23 : x - Step 2: Convert to fraction form
149,815,527.73/206,737,088.70 = 82,830,613.23/x - Step 3: Cross multiply
149,815,527.73x = 206,737,088.70 × 82,830,613.23 - Step 4: Simplify right side
149,815,527.73x = 17,124,159,834,716,520 - Step 5: Solve for x
x = 17,124,159,834,716,520/149,815,527.73 - Step 6: Final answer
x = 114,301,635.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.