Finding the Fourth Proportional to 193,544,251.20, 290,316,376.80 and 96,798,369.60
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Solution
The fourth proportional to 193,544,251.20, 290,316,376.80 and 96,798,369.60 is: 145,197,554.40
Step by Step Solution
- Step 1: Write the proportion equation
193,544,251.20 : 290,316,376.80 = 96,798,369.60 : x - Step 2: Convert to fraction form
193,544,251.20/290,316,376.80 = 96,798,369.60/x - Step 3: Cross multiply
193,544,251.20x = 290,316,376.80 × 96,798,369.60 - Step 4: Simplify right side
193,544,251.20x = 28,102,151,942,419,264 - Step 5: Solve for x
x = 28,102,151,942,419,264/193,544,251.20 - Step 6: Final answer
x = 145,197,554.40
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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.