Finding the Fourth Proportional to 199,771,490.20, 299,677,193.70 and 54,207,362.20
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Solution
The fourth proportional to 199,771,490.20, 299,677,193.70 and 54,207,362.20 is: 81,316,458.95
Step by Step Solution
- Step 1: Write the proportion equation
199,771,490.20 : 299,677,193.70 = 54,207,362.20 : x - Step 2: Convert to fraction form
199,771,490.20/299,677,193.70 = 54,207,362.20/x - Step 3: Cross multiply
199,771,490.20x = 299,677,193.70 × 54,207,362.20 - Step 4: Simplify right side
199,771,490.20x = 16,244,710,181,975,458 - Step 5: Solve for x
x = 16,244,710,181,975,458/199,771,490.20 - Step 6: Final answer
x = 81,316,458.95
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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.