Finding the Fourth Proportional to 261,656,522.20, 392,484,783.30 and 159,367,907.80
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Solution
The fourth proportional to 261,656,522.20, 392,484,783.30 and 159,367,907.80 is: 239,051,861.70
Step by Step Solution
- Step 1: Write the proportion equation
261,656,522.20 : 392,484,783.30 = 159,367,907.80 : x - Step 2: Convert to fraction form
261,656,522.20/392,484,783.30 = 159,367,907.80/x - Step 3: Cross multiply
261,656,522.20x = 392,484,783.30 × 159,367,907.80 - Step 4: Simplify right side
261,656,522.20x = 62,549,478,757,857,384 - Step 5: Solve for x
x = 62,549,478,757,857,384/261,656,522.20 - Step 6: Final answer
x = 239,051,861.70
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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.