Finding the Fourth Proportional to 190,633,108.80, 285,819,120.12 and 97,078,986.12
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Solution
The fourth proportional to 190,633,108.80, 285,819,120.12 and 97,078,986.12 is: 145,552,000.75
Step by Step Solution
- Step 1: Write the proportion equation
190,633,108.80 : 285,819,120.12 = 97,078,986.12 : x - Step 2: Convert to fraction form
190,633,108.80/285,819,120.12 = 97,078,986.12/x - Step 3: Cross multiply
190,633,108.80x = 285,819,120.12 × 97,078,986.12 - Step 4: Simplify right side
190,633,108.80x = 27,747,030,394,960,096 - Step 5: Solve for x
x = 27,747,030,394,960,096/190,633,108.80 - Step 6: Final answer
x = 145,552,000.75
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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.