Finding the Fourth Proportional to 199,762,983.43, 297,538,030.19 and 190,800,102.49
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Solution
The fourth proportional to 199,762,983.43, 297,538,030.19 and 190,800,102.49 is: 284,188,219.86
Step by Step Solution
- Step 1: Write the proportion equation
199,762,983.43 : 297,538,030.19 = 190,800,102.49 : x - Step 2: Convert to fraction form
199,762,983.43/297,538,030.19 = 190,800,102.49/x - Step 3: Cross multiply
199,762,983.43x = 297,538,030.19 × 190,800,102.49 - Step 4: Simplify right side
199,762,983.43x = 56,770,286,654,657,872 - Step 5: Solve for x
x = 56,770,286,654,657,872/199,762,983.43 - Step 6: Final answer
x = 284,188,219.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.