Finding the Fourth Proportional to 98,347,932.50, 135,737,912.16 and 58,658,007.42
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Solution
The fourth proportional to 98,347,932.50, 135,737,912.16 and 58,658,007.42 is: 80,958,646.07
Step by Step Solution
- Step 1: Write the proportion equation
98,347,932.50 : 135,737,912.16 = 58,658,007.42 : x - Step 2: Convert to fraction form
98,347,932.50/135,737,912.16 = 58,658,007.42/x - Step 3: Cross multiply
98,347,932.50x = 135,737,912.16 × 58,658,007.42 - Step 4: Simplify right side
98,347,932.50x = 7,962,115,458,656,588 - Step 5: Solve for x
x = 7,962,115,458,656,588/98,347,932.50 - Step 6: Final answer
x = 80,958,646.07
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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.